-chaete

(US -chete).

A bristle or seta.

Greek khaitē, long hair, mane.

Examples include polychaete (Greek polu‑, many), a member of a class of marine annelid worms which comprises the bristle worms; oligochaete (Greek oligoi, few), a member of a class of annelid worms which includes the earthworms, which have simple bristles projecting from each segment; spirochaete, a flexible spirally twisted bacterium, especially one that causes syphilis.