Where does “hengityskelpoinen” come from?

hengityskelpoinen (Finnish) comes from Finnish kelpoinen, from Finnish kelpo, from Finnish kelvata, from Proto-Finnic kelbat'ak, from Proto-Germanic helpaną, from Proto-Indo-European ḱelb- — help.

hengityskelpoinen (Finnish): breathable suitable for breathing, often of air

Definitions

breathable suitable for breathing, often of air

Ancestry of “hengityskelpoinen”, step by step

hengityskelpoinen traces back through two separate lines of ancestry.

via Finnish kelpoinen

Step	Language	Word	Meaning
1	Finnish	kelpoinen	eligible
2	Finnish	kelpo	decent, good, fine
3	Finnish	kelvata	to do, work, suffice
4	Proto-Finnic	kelbat'ak	to do, to suffice
5	Proto-Germanic	helpaną	to help
6	Proto-Indo-European	ḱelb-	help

via Finnish hengitys

Step	Language	Word	Meaning
1	Finnish	hengitys	breath, breathing
2	Finnish	hengittää	to breathe
3	Finnish	-ittaa	Variant of -ttaa used with some bisyllabic stems
4	Finnish	-ttää	Front vowel variant of -ttaa
5	Proto-Finnic	-ttadak	Creates causative verbs from regular verbs,...
6	Proto-Uralic	-kta-	—

Every word from Proto-Indo-European ḱelb- →Every word from Proto-Germanic helpaną →Every word from Proto-Finnic kelbat'ak →