昨日

Noun

 * 1)  yesterday

Noun

 * 1)  day before yesterday

Etymology 1
→ → * →  →

From, ultimately from.

The initial ki is unclear, but is likely the same ki element that appears in other words pertaining to the past. This may be related to the now-obsolete auxiliary verb indicating the recollective past -- see. The middle no appears to be the regular genitive particle. The final pu is an apophonic form of, also found in.

Martin suggests that the initial ki might also be related to 🇨🇬, modern, presumably via the of ki. However, this is problematic both semantically, as "the coming day" would presumably refer to rather than ; and grammatically, as a verb modifying a noun would be expected to conjugate into the regular attributive form (for  that would be kuru), rather than into the continuative form that then necessitates a particle.

The kanji are.

Noun

 * 1) yesterday

Etymology 2
From compound. Compare modern 🇨🇬 reading zok6 jat6.

Noun

 * 1) yesterday

Etymology 3
From. The initial ki is unclear, but is likely the same ki element that appears in other words pertaining to the past. This may be related to the now-obsolete auxiliary verb indicating the recollective past -- see. The final so is also unclear, but is probably the same as the final zo in.

This may have been read as kizo in 🇨🇬.

Noun

 * 1) last night
 * 2) yesterday

Coordinate terms

 * : three days ago
 * : the day before yesterday, two days ago
 * : today
 * : tomorrow
 * : the day after tomorrow, two days from now
 * : three days from now
 * : three days from now; four days from now
 * : this morning
 * : this evening
 * : tonight

Noun

 * 1) yesterday