🌏 Region(s): Ryukyu (Yonaguni)
んぬ【昨日】 : nnu | define meaning
Derived from Ryukyuan きぬ【昨日】 kinu "yesterday" via palatalization (cf. Okinawan ちぬ chinu), lenition (*しぬ *shinu), and subsequently assimilation. Cognate to standard Japanese きのう【昨日】 kinou "yesterday", historically きのふ kinofu.