English

gonarthrosis

From gon- + arthrosis.

Proto-Indo-European *ǵenh₁- ‘to produce’

Proto-Indo-European *ǵónh₁os ‘birth’

Ancient Greek γόνος ‘genitals’

English gon-

Proto-Indo-European *h₂er- ‘to fit’

Proto-Indo-European *h₂er-dʰrom

Ancient Greek ἄρθρον ‘a joint, articulation’

Today it means

noun Osteoarthritis of the knee.

Language periods are conventional ranges, not dates for this word.

Etymograph / gonarthrosis