Ancient Greek ἰδιοσυγκρασία

← Ancient Greek ῐ̓́δῐος (affix)

← Ancient Greek σῠν- (affix)

← Ancient Greek κρᾶσῐς (affix)

← Ancient Greek -ῐ́ᾱ (affix)

→ English idiosyncrasy (borrowed)

→ Spanish idiosincrasia (borrowed)

→ Italian idiosincrasia (derived)

→ Portuguese idiossincrasia (mention)