IPA: /oʊˈtæl.dʒi/
KK: /oʊˈtæl.dʒi/
Discomfort or pain that occurs in the ear.
After swimming, she experienced otalgia and had to see a doctor.
Otalgy is formed from "oto-" (from Greek "ous, otos", meaning ear) and "algos" (meaning pain). The word refers to pain in the ear.
Think of 'oto-' relating to the ear and 'algos' meaning pain — so otalgy is the pain you feel in your ear.