Japanese [ edit ]
Etymology 1 [ edit ]
. Old Japanese Appears in the  , completed some time after 759 CE. Man'yōshū
The presence of other
indefinites beginning with Old Japanese い ( i) suggests a possible shared root of い ( i, possibly “what” or “which”), as in 如何 ( ikaga, “ how ” ), 何処 ( izuko, “ where ” ), 幾ら ( ikura, “ how many, how much ” ).
Likely cognate with eastern
word Old Japanese idu (modern idzu or izu, “where”), still used in modern Japanese as part of the word いずれ ( izure, “ which ” ).
Pronunciation [ edit ]
Pronoun [ edit ]
いつ ( rōmaji )
Usage notes [ edit ]
This word is usually written in
hiragana. 何 ( い ) 時 ( つ ) ( itsu ) is more commonly used to mean in terms of dates or days, while when 何 ( なん ) 時 ( じ ) ( nanji ) is more commonly used to mean in terms of time of day. when
Derived terms [ edit ]
Etymology 2 [ edit ]
For pronunciation and definitions of
いつ – see the following entries.
(This term, いつ, is the hiragana spelling of several Sino-Japanese terms.) For a list of all kanji with on'yomi
いつ, not just those used in Sino-Japanese terms, see Category:Japanese kanji with on reading いつ.
References [ edit ]
1988, (in Japanese), 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) Tōkyō: Shogakukan
c. 759, (book 15, poem 3705), text Man'yōshū here
2006, , Third Edition (in Japanese), 大辞林 ( ) Daijirin Tōkyō: Sanseidō, →ISBN
1998, (in Japanese), NHK日本語発音アクセント辞典 ( ) NHK Japanese Pronunciation Accent Dictionary Tōkyō: NHK, →ISBN
1997, , Fifth Edition (in Japanese), 新明解国語辞典 ( ) Shin Meikai Kokugo Jiten Tōkyō: Sanseidō, →ISBN