一昨昨日

Etymology 1
Compound of.

Noun

 * 1) three days ago

Etymology 2
Compound of.

The kanji spelling is.

Noun

 * 1) three days ago

Usage notes
When used as an adverb, the pitch accent is .

Etymology 3
Compound of.

The kanji spelling is.

Noun

 * 1) three days ago