Relating to the external or lateral epicondyle of a bone, particularly the humerus in the upper arm.
From ecto- 'external' + epicondyle (epi- 'upon' + condyle 'knuckle-like prominence'). Anatomical term specifying the outer bony projection where muscles attach.
Tennis elbow is inflammation of the ectepicondylar region—this fancy anatomical term literally means the bump on the outside of your elbow where forearm muscles attach, and overuse causes pain there.
Complete word intelligence in one call. Free tier — 50 lookups/day.