English

idionym

From idi- + -onym.

Formed from idi- + -onym

Proto-Indo-European *swé ‘self’

Proto-Indo-European *swéd-yo-s

Proto-Hellenic *hwédios

Ancient Greek ἴδιος ‘own, personal, distinct’

English idi-

Today it means

noun A word that refers to one specific anatomical part.

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