Where does “kevityslaippa” come from?

kevityslaippa (Finnish) comes from Finnish kevitys, from Finnish kevittää, from Finnish -ittaa, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

kevityslaippa (Finnish): trim tab control surface set within or attached to a larger control surface that provides trim to obtain a desired attitude without constant inputs to the primary control surfaces

Definitions

  1. trim tab control surface set within or attached to a larger control surface that provides trim to obtain a desired attitude without constant inputs to the primary control surfaces

Ancestry of “kevityslaippa”, step by step

kevityslaippa traces back through two separate lines of ancestry.

via Finnish kevitys

StepLanguageWordMeaning
1Finnishkevitys
2Finnishkevittää
3Finnish-ittaaVariant of -ttaa used with some bisyllabic stems
4Finnish-ttääFront vowel variant of -ttaa
5Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
6Proto-Uralic-kta-

via Finnish laippa

StepLanguageWordMeaning
1Finnishlaippaflange external or internal rib or rim, used either to add strength or to hold something in place
Every word from Proto-Uralic -kta-Every word from Finnish -ttääEvery word from Finnish -ittaa