Where does “変速機” come from?

変速機 (Japanese) comes from Japanese 機, from Japanese こうべうち, from Japanese 打ち, from Japanese 打つ, from Japanese うつ — 打つ hit, strike, beat; 討つ defeat, kill; 撃つ shoot,...

変速機 (Japanese): transmission, gearbox mechanical assembly of gears that changes the torque and speed of shaft rotations

Definitions

  1. transmission, gearbox mechanical assembly of gears that changes the torque and speed of shaft rotations

Ancestry of “変速機”, step by step

変速機 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea machine, a device; a contraption; a loom; an...
2Japaneseこうべうち
3Japanese打ちadds emphasis to verbs
4Japanese打つto hit, to beat, to strike; to hit; to type
5Japaneseうつ打つ hit, strike, beat; 討つ defeat, kill; 撃つ shoot,...

via Japanese 変速

StepLanguageWordMeaning
1Japanese変速changing gears
Every word from Japanese うつEvery word from Japanese 打つEvery word from Japanese 打ち