Where does “rintalaskos” come from?

rintalaskos (Finnish) comes from Finnish laskos, from Finnish laskea, from Proto-Finnic laskedak, from Proto-Uralic laćke-.

Ancestry of “rintalaskos”, step by step

rintalaskos traces back through two separate lines of ancestry.

via Finnish laskos

StepLanguageWordMeaning
1Finnishlaskosfold, crease; sheet; tuck
2Finnishlaskeato lower, drop; to put down, set down, lay down;...
3Proto-Finniclaskedakto drop, to fall; to release; to let, to allow
4Proto-Uraliclaćke-

via Finnish rinta

StepLanguageWordMeaning
1Finnishrintabreast; chest, especially the front side of it
2Finnish-mäFront vowel variant of -ma
Every word from Proto-Uralic laćke-Every word from Proto-Finnic laskedakEvery word from Finnish laskea