Where does “läpivalaisu” come from?

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

läpivalaisu (Finnish): transillumination, X-ray

Definitions

  1. transillumination, X-ray

Ancestry of “läpivalaisu”, step by step

läpivalaisu traces back through two separate lines of ancestry.

via Finnish läpi

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

via Finnish valaisu

StepLanguageWordMeaning
1Finnishvalaisulighting, illumination
2Finnishvalaistato light, illuminate; to shed light on,...
3Finnishvalolight
4Proto-Finnicvalolight visible radiation
5Proto-Finno-Ugricwaĺɜ

Words derived from “läpivalaisu

Every word from Proto-Italic *lapetsEvery word from Latin lapisEvery word from Italian lapis