Where does “砂上の楼閣” come from?

砂上の楼閣 (Japanese) comes from Japanese 上, from Old Japanese うえ, from Proto-Japonic upay, from Sanskrit उपाय, from Sanskrit उप-, from Proto-Indo-Aryan upa-, from Proto-Indo-Iranian upa-, from Proto-Indo-European upo — under, up from under; up from under, over; up,...

砂上の楼閣 (Japanese): sandcastle

Definitions

  1. sandcastle

Ancestry of “砂上の楼閣”, step by step

砂上の楼閣 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesethe above; the top; the surface of
2Old Japaneseうえ
3Proto-Japonicupayabove, over
4Sanskritउपाय.
5Sanskritउप-towards; near, with; under, below
6Proto-Indo-Aryanupa-
7Proto-Indo-Iranianupa-towards
8Proto-Indo-Europeanupounder, up from under; up from under, over; up,...

via Japanese

StepLanguageWordMeaning
1Japanesesand

via Japanese 楼閣

StepLanguageWordMeaning
1Japanese楼閣lofty building with multiple storeys or levels
Every word from Proto-Indo-European upoEvery word from Sanskrit उप-Every word from Sanskrit उपाय