Where does “俗ラテン語” come from?

俗ラテン語 (Japanese) comes from Japanese 俗, from Middle Chinese 俗, from Middle Chinese 字 — letter, symbol, character; character.

俗ラテン語 (Japanese): Vulgar Latin

Definitions

  1. Vulgar Latin

Ancestry of “俗ラテン語”, step by step

StepLanguageWordMeaning
1Japanese俗worldliness; vulgarity; the laity, mundane...
2Middle Chinese俗—
3Middle Chinese字letter, symbol, character; character
Every word from Middle Chinese 字 →Every word from Middle Chinese 俗 →Every word from Japanese 俗 →