Where does “dauphin” come from?

dauphin (Czech) comes from French Dauphin, from Old French dalphin, from Latin delphīnus, from Ancient Greek δελφίν, from Ancient Greek δελφύς, from Proto-Indo-European gʷelbʰ- — the womb.

dauphin (Czech): dauphin, the eldest son of the king of France and...

Definitions

dauphin, the eldest son of the king of France and...

Ancestry of “dauphin”, step by step

Step	Language	Word	Meaning
1	French	Dauphin	Delphinus
2	Old French	dalphin	—
3	Latin	delphīnus	a dolphin an aquatic mammal of the family
4	Ancient Greek	δελφίν	—
5	Ancient Greek	δελφύς	the womb
6	Proto-Indo-European	gʷelbʰ-	the womb

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