Where does “kidushengitys” come from?

kidushengitys (Finnish) comes from Finnish hengitys, from Finnish hengittää, from Finnish -ittaa, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

kidushengitys (Finnish): gill respiration, gill breathing

Definitions

gill respiration, gill breathing

Ancestry of “kidushengitys”, step by step

kidushengitys traces back through two separate lines of ancestry.

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-	—

via Finnish kidus

Step	Language	Word	Meaning
1	Finnish	kidus	gill
2	Finnish	kita	mouth; throat, pharynx
3	Proto-Finnic	kita	throat, pharynx, mouth

Every word from Proto-Uralic -kta- →Every word from Finnish -ttää →Every word from Finnish -ittaa →