Where does “crassispondylus” come from?

crassispondylus (Latin) comes from Latin crassus, from Old Latin cartsus, from Proto-Italic kartsus, from Proto-Indo-European kr̥t-sú-s, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

crassispondylus (Latin): Having thick vertebrae

Definitions

Having thick vertebrae

Ancestry of “crassispondylus”, step by step

crassispondylus traces back through two separate lines of ancestry.

via Latin crassus

Step	Language	Word	Meaning
1	Latin	crassus	dense, thick, solid; fat, gross, plump;...
2	Old Latin	cartsus	—
3	Proto-Italic	kartsus	—
4	Proto-Indo-European	kr̥t-sú-s	—
5	Proto-Indo-European	kert-	times; to weave, twist together; time
6	Proto-Turkic	*keŕ-	to travel, tour

via Latin spondylus

Step	Language	Word	Meaning
1	Latin	spondylus	vertebra, spondyle; mussel
2	Ancient Greek	σπόνδυλος	Ionic and Attic form of σφόνδυλος

Every word from Proto-Turkic *keŕ- →Every word from Proto-Indo-European kert- →Every word from Proto-Indo-European kr̥t-sú-s →