English
idiolect
From idio- + -lect.
Formed from idio- + -lect
Proto-Indo-European *swé ‘self’
Proto-Indo-European *swéd-yo-s
Proto-Hellenic *hwédios
Ancient Greek ἴδιος ‘own, personal, distinct’
English idio-
Today it means
noun The language variant used by a specific individual.
Language periods are conventional ranges, not dates for this word.
Etymograph / idiolect