Where does “あー” come from?

あー (Okinawan) comes from Proto-Ryukyuan *awa, from Proto-Japonic *awa — bubble.

あー (Okinawan): bubble

Definitions

  1. bubble

Ancestry of “あー”, step by step

StepLanguageWordMeaning
1Proto-Ryukyuan*awabubble
2Proto-Japonic*awabubble

Words derived from “あー”

Every word from Proto-Japonic *awa →Every word from Proto-Ryukyuan *awa →
あー — Etymology, Origin & Word History | Etymology Explorer