procto

¹

[ prok-toh ]

noun

, Informal.

, plural proc·tos.

1. proctosigmoidoscopy.

procto-

²

1. a combining form meaning “anus,” “rectum,” used in the formation of compound words:

   proctoscope.

procto-

combining_form

1. indicating the anus or rectum

   proctology

Word History and Origins

Origin of procto¹

By shortening

Origin of procto²

< Greek prōkto-, combining form of prōktós

Word History and Origins

Origin of procto¹

from Greek prōktos