idio-

prefix

combining form meaning "one's own : personal : separate : distinct"

Wiktionary

Pronunciation: /ˈɪdɪəʊ/

prefix

Etymology: Etymology tree Proto-Indo-European *swé Proto-Indo-European *swéd-yo-s Proto-Hellenic *hwédios Ancient Greek ῐ̓́δῐος (ĭ́dĭos)der. English idio- Representing a combining form of Ancient Greek ἴδιος (ídios, “own, personal, distinct”). By surface analysis, idi- + -o-. Unrelated to ideo-.

individuality, peculiarity, separateness.