Origin: Anc Greek
χορδή/chorde(=rope, string, cord)
>χολάς/cholas(=intestine) + ωδή/ode(=ode, song) because musical instruments have cutguts.
-ωτά/-ota(=suffix meaning “of” or “relating to”)
Chordate is a phylum that for at least some period of their life cycle, possess a stiff, dorsal supporting rod (the notochord).