Where does “alttiiksiantavaisuus” come from?

alttiiksiantavaisuus (Finnish) comes from Finnish alttiiksiantavainen, from Finnish altis, from Proto-Germanic aldaz, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “alttiiksiantavaisuus”, step by step

alttiiksiantavaisuus traces back through two separate lines of ancestry.

via Finnish alttiiksiantavainen

StepLanguageWordMeaning
1Finnishalttiiksiantavainen
2Finnishaltisexposed, endangered, vulnerable; ready, inclined,...
3Proto-Germanicaldazold, grown up
4Proto-Indo-Europeanh₂eltós
5Proto-Indo-Europeanh₂él-to grow, nourish

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz