Etymograph

English

idiotope

By surface analysis, idio- + -tope.

Equivalent to idio- + -tope

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 unique set of antigenic determinants (epitopes) of the variable portion of an antibody.

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

Etymograph / idiotope