From οἶκος (oikos, “house”).
- (5th BC Attic): IPA: /o͜ɪkí.a͜a/
- (1st BC Egyptian): IPA: /yːkíaː/
- (4th AD Koine): IPA: /ykía/
- (10th AD Byzantine): IPA: /ycía/
- (15th AD Constantinopolitan): IPA: /icía/
In Attic law, οἶκος (oikos, “house”) was all the property left by a person, while οἰκία was the house on that property.