Where does “過去時制” come from?

過去時制 (Japanese) comes from Japanese 時制, from Japanese 時, from Old Japanese 時, from Old Japanese しだ — a time, circumstance, occasion.

過去時制 (Japanese): past tense

Definitions

  1. past tense

Ancestry of “過去時制”, step by step

過去時制 traces back through two separate lines of ancestry.

via Japanese 時制

StepLanguageWordMeaning
1Japanese時制tense; time measurement system
2Japanese時time; an event, case, occasion, moment; a...
3Old Japanese時a time, moment (in time), occasion
4Old Japaneseしだa time, circumstance, occasion

via Japanese 過去

StepLanguageWordMeaning
1Japanese過去the past
Every word from Old Japanese しだ →Every word from Old Japanese 時 →Every word from Japanese 時 →