Where does “läpäisykerroin” come from?

läpäisykerroin (Finnish) comes from Finnish läpäisy, from Finnish läpäistä, from Finnish läpi, from Tagalog lapi, from Spanish lápiz, from Italian lapis, from Latin lapis, from Proto-Italic *lapets — stone.

läpäisykerroin (Finnish): transmittance coefficient, transmission coefficient

Definitions

  1. transmittance coefficient, transmission coefficient

Ancestry of “läpäisykerroin”, step by step

läpäisykerroin traces back through two separate lines of ancestry.

via Finnish läpäisy

StepLanguageWordMeaning
1Finnishläpäisypiercing, penetrating, making a hole
2Finnishläpäistäto pierce, penetrate; to make a hole; to hole
3Finnishläpihole window, shutter, door; mouth, hole; through
4Tagaloglapijoining or attaching a part to a whole; affix
5Spanishlápizpencil
6Italianlapispencil; sanguine
7Latinlapisa stone; a milestone; a boundary stone
8Proto-Italic*lapetsstone

via Finnish kerroin

StepLanguageWordMeaning
1Finnishkerroincoefficient, factor; index; multiplier
2Finnishkertoato tell; to multiply; to have it
3Finnishkertatime, occasion; time; times; also once, when the...
4Proto-Finnickertatime
5Proto-Indo-Europeankert-times; to weave, twist together; time
6Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Italic *lapets
läpäisykerroin — Etymology, Origin & Word History | Etymology Explorer