English

episternum

From epi- + sternum.

Proto-Indo-European *h₁épi ‘on’

Proto-Hellenic *epí

Ancient Greek ἐπί ‘on, upon’

English epi-

Proto-Indo-European *sterh₃- ‘to be broad, spread out’

Proto-Indo-European *stér(h₃)-no-m

Ancient Greek στέρνον ‘breast, chest’

New Latin sternum ‘the breastbone’

Today it means

noun The upper segment of the sternum

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

Etymograph / episternum