Where does “kypärädelfiini” come from?

kypärädelfiini (Finnish) comes from Finnish delfiini, from Swedish delfin, from German delphin, from Latin delphīnus, from Ancient Greek δελφίν, from Ancient Greek δελφύς, from Proto-Indo-European gʷelbʰ- — the womb.

Ancestry of “kypärädelfiini”, step by step

kypärädelfiini traces back through two separate lines of ancestry.

via Finnish delfiini

Step	Language	Word	Meaning
1	Finnish	delfiini	short-beaked common dolphin, "Delphinus delphis";...
2	Swedish	delfin	dolphin
3	German	delphin	dolphin
4	Latin	delphīnus	a dolphin an aquatic mammal of the family
5	Ancient Greek	δελφίν	—
6	Ancient Greek	δελφύς	the womb
7	Proto-Indo-European	gʷelbʰ-	the womb

via Finnish kypärä

Step	Language	Word	Meaning
1	Finnish	kypärä	helmet; hard hat
2	Proto-Finnic	küpärä	hat
3	Proto-Baltic	kepur-	—

Every word from Proto-Indo-European gʷelbʰ- →Every word from Ancient Greek δελφύς →Every word from Ancient Greek δελφίν →