Where does “未来時制” come from?

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

未来時制 (Japanese): future tense

Definitions

  1. future tense

Ancestry of “未来時制”, step by step

未来時制 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 未来

StepLanguageWordMeaning
1Japanese未来the future; the future, one of the three...
2Japanese来るTo come; To come, to arrive
3Japanese来next, coming; since, in; to approach one's...
4Middle Chinese來—
Every word from Old Japanese しだ →Every word from Old Japanese 時 →Every word from Japanese 時 →