一昨日

Etymology 1
Compound of 🇰🇲.

First cited to a text from 1275.

Noun

 * 1)   the day before yesterday, two days ago

Etymology 2
→ →  →

First cited to a text from roughly 953.

Shift from ototsui (see Etymology 3 below).

The kanji spelling is from issakujitsu (see Etymology 1 above).

Noun

 * 1)  the day before yesterday, two days ago
 * 2) * (book 14, introduction to poem 872)

Usage notes
Usually spelled in kana alone, rarely written with this kanji spelling.

Etymology 3
→ * → →  →

First attested in the .

Originally a compound of.

The kanji spelling is from issakujitsu (see Etymology 1 above).

Noun

 * 1)  the day before yesterday, two days ago

Usage notes
Usually spelled in kana alone, rarely written with this kanji spelling.

Etymology
Compound of 🇰🇲.

Noun

 * 1) the day before yesterday, two days ago