οἰκήιος

From LSJ

ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners

Source

Greek (Liddell-Scott)

οἰκήιος: οἰκηιότης, οἰκηιόω, Ἰων. ἀντὶ τοῦ οἰκεῖος, οἰκειότης, οἰκειόω.