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jafna

From Wiktionary, the free dictionary

See also: Jafna

Icelandic

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Pronunciation

Etymology 1

Inherited from Old Norse jafna

Noun

jafna f (genitive singular jöfnu, nominative plural jöfnur)

  1. (mathematics) an equation
    er ekki flókin jafna.
    is not a complex equation.
Declension
More information singular, plural ...
Declension of jafna (feminine)
singular plural
indefinite definite indefinite definite
nominative jafna jafnan jöfnur jöfnurnar
accusative jöfnu jöfnuna jöfnur jöfnurnar
dative jöfnu jöfnunni jöfnum jöfnunum
genitive jöfnu jöfnunnar jafna jafnanna
Close
Derived terms
  • aljafna
  • deildajafna (differential equation)
  • diffurjafna (differential equation)
  • efnajafna
  • heildajafna (integral equation)
  • línuleg jafna (linear equation)
  • tegurjafna (integral equation)

Etymology 2

Verb

jafna (weak verb, third-person singular past indicative jafnaði, supine jafnað)

  1. to equalise, level, even up, even out (make equal)
  2. to level, even, even out (make flat)
    Synonym: slétta
  3. (sports) to tie (to score points so as to have an equal score to that of the opponent)
    Synonym: gera jafntefli
Conjugation
More information infinitive nafnháttur, supine sagnbót ...
jafna – active voice (germynd)
infinitive nafnháttur jafna
supine sagnbót jafnað
present participle
jafnandi
indicative
subjunctive
present
past
present
past
singular ég jafna jafnaði jafni jafnaði
þú jafnar jafnaðir jafnir jafnaðir
hann, hún, það jafnar jafnaði jafni jafnaði
plural við jöfnum jöfnuðum jöfnum jöfnuðum
þið jafnið jöfnuðuð jafnið jöfnuðuð
þeir, þær, þau jafna jöfnuðu jafni jöfnuðu
imperative boðháttur
singular þú jafna (þú), jafnaðu
plural þið jafnið (þið), jafniði1
Close
More information infinitive nafnháttur, supine sagnbót ...
jafnast – mediopassive voice (miðmynd)
infinitive nafnháttur jafnast
supine sagnbót jafnast
present participle
jafnandist (rare; see appendix)
indicative
subjunctive
present
past
present
past
singular ég jafnast jafnaðist jafnist jafnaðist
þú jafnast jafnaðist jafnist jafnaðist
hann, hún, það jafnast jafnaðist jafnist jafnaðist
plural við jöfnumst jöfnuðumst jöfnumst jöfnuðumst
þið jafnist jöfnuðust jafnist jöfnuðust
þeir, þær, þau jafnast jöfnuðust jafnist jöfnuðust
imperative boðháttur
singular þú jafnast (þú), jafnastu
plural þið jafnist (þið), jafnisti1
Close
1 Spoken form, usually not written; in writing, the unappended plural form (optionally followed by the full pronoun) is preferred.
1 Spoken form, usually not written; in writing, the unappended plural form (optionally followed by the full pronoun) is preferred.
More information strong declension (sterk beyging), singular (eintala) ...
jafnaður — past participle (lýsingarháttur þátíðar)
strong declension
(sterk beyging)
singular (eintala) plural (fleirtala)
masculine
(karlkyn)
feminine
(kvenkyn)
neuter
(hvorugkyn)
masculine
(karlkyn)
feminine
(kvenkyn)
neuter
(hvorugkyn)
nominative
(nefnifall)
jafnaður jöfnuð jafnað jafnaðir jafnaðar jöfnuð
accusative
(þolfall)
jafnaðan jafnaða jafnað jafnaða jafnaðar jöfnuð
dative
(þágufall)
jöfnuðum jafnaðri jöfnuðu jöfnuðum jöfnuðum jöfnuðum
genitive
(eignarfall)
jafnaðs jafnaðrar jafnaðs jafnaðra jafnaðra jafnaðra
weak declension
(veik beyging)
singular (eintala) plural (fleirtala)
masculine
(karlkyn)
feminine
(kvenkyn)
neuter
(hvorugkyn)
masculine
(karlkyn)
feminine
(kvenkyn)
neuter
(hvorugkyn)
nominative
(nefnifall)
jafnaði jafnaða jafnaða jöfnuðu jöfnuðu jöfnuðu
accusative
(þolfall)
jafnaða jöfnuðu jafnaða jöfnuðu jöfnuðu jöfnuðu
dative
(þágufall)
jafnaða jöfnuðu jafnaða jöfnuðu jöfnuðu jöfnuðu
genitive
(eignarfall)
jafnaða jöfnuðu jafnaða jöfnuðu jöfnuðu jöfnuðu
Close
Derived terms
  • jafna við jörðu

Old Norse

Etymology

Related to Proto-Germanic *ebnaz. Cognate with English even. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Verb

jafna

  1. to even

Conjugation

More information infinitive, present participle ...
Conjugation of jafna active (weak class 2)
infinitive jafna
present participle jafnandi
past participle jafnaðr
indicative subjunctive
present past present past
1st person singular jafna jafnaða jafna jafnaða
2nd person singular jafnar jafnaðir jafnir jafnaðir
3rd person singular jafnar jafnaði jafni jafnaði
1st person plural jǫfnum jǫfnuðum jafnim jafnaðim
2nd person plural jafnið jǫfnuðuð jafnið jafnaðið
3rd person plural jafna jǫfnuðu jafni jafnaði
imperative present
2nd person singular jafna
1st person plural jǫfnum
2nd person plural jafnið
Close
More information infinitive, present participle ...
Conjugation of jafna mediopassive (weak class 2)
infinitive jafnask
present participle jafnandisk
past participle jafnazk
indicative subjunctive
present past present past
1st person singular jǫfnumk jǫfnuðumk jǫfnumk jǫfnuðumk
2nd person singular jafnask jafnaðisk jafnisk jafnaðisk
3rd person singular jafnask jafnaðisk jafnisk jafnaðisk
1st person plural jǫfnumsk jǫfnuðumsk jafnimsk jafnaðimsk
2nd person plural jafnizk jǫfnuðuzk jafnizk jafnaðizk
3rd person plural jafnask jǫfnuðusk jafnisk jafnaðisk
imperative present
2nd person singular jafnask
1st person plural jǫfnumsk
2nd person plural jafnizk
Close

Descendants

  • Danish: jævne
  • Faroese: javna
  • Icelandic: jafna
  • Norwegian Nynorsk: jamna
    • Norwegian Bokmål: jamne
  • Swedish: jämna

Noun

jafna f (genitive jǫfnu)

  1. level ground

Declension

More information feminine, singular ...
Declension of jafna (weak ōn-stem)
feminine singular plural
indefinite definite indefinite definite
nominative jafna jafnan jǫfnur jǫfnurnar
accusative jǫfnu jǫfnuna jǫfnur jǫfnurnar
dative jǫfnu jǫfnunni jǫfnum jǫfnunum
genitive jǫfnu jǫfnunnar jafna jafnanna
Close

Adjective

jafna

  1. positive degree strong feminine accusative singular of jafn
  2. positive degree strong masculine accusative masculine of jafn
  3. positive degree strong all genders genitive plural of jafn
  4. positive degree weak masculine oblique cases singular of jafn
  5. positive degree weak feminine nominative singular of jafn
  6. positive degree weak neuter all cases singular of jafn

Further reading

  • Zoëga, Geir T. (1910) “jafna”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press; also available at the Internet Archive

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