moon-viewing on the 13th day of the 9th lunar month
Archaic term for a specific autumn moon-viewing custom, also called 後の月 (のちのつき).
See also: 後の月 (のちのつき)
Nochi no tsukimi is a custom that was observed on the 13th day of the 9th lunar month.
Compound of 後 (のち, 'later') + の (possessive particle) + 月見 (つきみ, 'moon-viewing'), referring to the later moon-viewing event after the more famous 十五夜 (じゅうごや).