Kinou
Kinou is a romaji rendering of several Japanese words that use different kanji but share the same pronunciation in everyday speech. The two most common meanings are 昨日, meaning “yesterday,” and 機能, meaning “function” or “capability.” Other rare readings or uses may exist, but these are the principal ones encountered in general language.
Pronunciation and reading notes: 昨日 is typically read きのう (kinō) in ordinary conversation, with a formal alternative 読みさくじつ (sakujitsu)
Usage examples: As a time reference, 昨日 indicated the previous day: 昨日は忙しかった. As a technical term, 機能 refers to
Etymology and related terms: 昨日 combines 昨 (previous) and 日 (day), while 機能 combines 機 (mechanism) and 能 (ability). In dictionaries, kinou
See also: Kinō as a topic often leads to disambiguation between yesterday and function in Japanese references