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一年 (いちねん) Japanese meaning | Kotomora
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He lived in Japan for one year.
Usage patterns 〈 事こと 〉 に 一いち 年ねん かかる it takes a year to do something
This research took a year.
一いち 年ねん が 過す ぎる a year passes
A year passed in the blink of an eye.
一いち 年ねん に 〈 数かず 〉 回かい X times a year
I go on a trip twice a year.
一いち 年ねん を 振ふ り 返かえ る to look back on the year
I look back on the year at the end of December.
Related words 一年 is a standalone noun meaning 'one year', while 年間 is a suffix that attaches to a number to mean 'over a period of ~ years', as in 三年間.
一年 is the everyday word for 'one year', whereas 一カ年 is a stiffer, formal variant with the same meaning used in official reports and contracts.
一年 is a general term for 'one year' that can mean a calendar year or a duration, while 一年間 specifically stresses the length of a one-year period.
Written forms 一年
いちねん
Standard kanji spelling for the common reading いちねん.
ひととし
Rare literary or archaic reading for 'one year'.
ひととせ
Archaic reading for 'one year', found in classical poetry and old texts.
１年
Etymology Compound of 一 (いち, 'one') and 年 (ねん, 'year'). The readings ひととし and ひととせ are native Japanese readings of the same kanji, now largely obsolete.
一いち 年ねん 忌き
first anniversary of a person's death
ひととせ
