Tendinitis

Alternative forms

• tendonitis, tenonitis

Origin

New Latin from tendin-, stem of Medieval Latin tendo, from Late Latin tenon, from Ancient Greek τένων (tenon, "tendon, sinew")

Full definition of tendinitis

Noun

1. Inflammation of a tendon.

Usage notes

This spelling (tendinitis) is the one most commonly used in the US (COCA).

Tendonitis is the more common in the UK (BNC).

Scholarly use seems about equal (Google Scholar).