Where does “crassiceps” come from?

crassiceps (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.

crassiceps (Latin): thick-headed

Definitions

thick-headed

Ancestry of “crassiceps”, step by step

crassiceps 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 ceps

Step	Language	Word	Meaning
1	Latin	ceps	head
2	Latin	caput	head; headlike protuberance on an organ or body...
3	Proto-Italic	kaput	head
4	Proto-Indo-European	káput	head
5	Proto-Indo-European	kap-	to seize, hold

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