Where does “sivuvakaaja” come from?

sivuvakaaja (Finnish) comes from Finnish vakaaja, from Finnish jä, from Proto-Finno-Ugric *ja, from Proto-Germanic jahw, from Proto-Germanic -hw, from Proto-Germanic -hwe, from Proto-Indo-European -kʷe — and; Forms distributives from interrogatives.

Ancestry of “sivuvakaaja”, step by step

sivuvakaaja traces back through two separate lines of ancestry.

via Finnish vakaaja

StepLanguageWordMeaning
1Finnishvakaajastabilizer; gimbal
2Finnishice
3Proto-Finno-Ugric*ja
4Proto-Germanicjahwand, also
5Proto-Germanic-hwand; Forms distributives from interrogatives
6Proto-Germanic-hwe
7Proto-Indo-European-kʷeand; Forms distributives from interrogatives

via Finnish sivu

StepLanguageWordMeaning
1Finnishsivupage, side; side; flank
Every word from Proto-Indo-European -kʷeEvery word from Proto-Germanic -hwEvery word from Proto-Germanic jahw