Where does “syvähengitys” come from?

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

syvähengitys (Finnish): deep breathing

Definitions

deep breathing

Ancestry of “syvähengitys”, step by step

syvähengitys 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 syvä

Step	Language	Word	Meaning
1	Finnish	syvä	deep; deep-water; deep, profound
2	Proto-Finnic	cüvä	deep
3	Proto-Finno-Ugric	tiwä	—

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