Where does “vähennyslasku” come from?

vähennyslasku (Finnish) comes from Finnish vähennys, from Finnish vähentää, from Ingrian vähä, from Ingrian -in, from Proto-Finno-Ugric *-in, from Proto-Uralic -ma.

vähennyslasku (Finnish): subtraction

Definitions

  1. subtraction

Ancestry of “vähennyslasku”, step by step

vähennyslasku traces back through two separate lines of ancestry.

via Finnish vähennys

StepLanguageWordMeaning
1Finnishvähennysdecrease; subtraction, deduction
2FinnishvähentääTo decrease, reduce, diminish; To deduct; To...
3Ingrianvähälittle, small; scanty, meagre; little, few
4Ingrian-inForms adjectives indicating the material of which something is made; -en
5Proto-Finno-Ugric*-in—
6Proto-Uralic-ma—

via Finnish lasku

StepLanguageWordMeaning
1Finnishlaskudescent, an instance of descending, sliding down...
2Voticlaskõato let go, let loose, release
3Proto-Finniclaskedakto drop, to fall; to release; to let, to allow
4Proto-Uraliclaćke-—
Every word from Proto-Uralic -ma →Every word from Ingrian -in →Every word from Ingrian vähä →