Where does “絵に描いた餅” come from?

絵に描いた餅 (Japanese) comes from Japanese 描く, from Japanese 書く, from Proto-Japonic kaku, from Kapampangan aku, from Proto-Philippine *aku, from Proto-Malayo-Polynesian aku, from Proto-Austronesian aku.

絵に描いた餅 (Japanese): pie in the sky, castle in the air; a useless thing or idea

Definitions

  1. pie in the sky, castle in the air; a useless thing or idea

Ancestry of “絵に描いた餅”, step by step

絵に描いた餅 traces back through two separate lines of ancestry.

via Japanese 描く

StepLanguageWordMeaning
1Japanese描くto paint; to draw; to picture; to portray; to...
2Japanese書くto write; to record (words, figures) on the surface of (something)
3Proto-Japonickakuto scratch; to write
4KapampanganakuI; me; my
5Proto-Philippine*aku
6Proto-Malayo-Polynesianaku
7Proto-Austronesianaku

via Japanese

StepLanguageWordMeaning
1Japanesemochi; mochi filled or wrapped in red bean paste
Every word from Proto-Austronesian akuEvery word from Proto-Malayo-Polynesian akuEvery word from Proto-Philippine *aku