ἀνοίκτιστος
From LSJ
περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
English (LSJ)
ον,
A unmourned, σῶμα [Arist.] Pepl.28. II Act., pitiless, Περσεφόνης θάλαμοι IG2.3765 (Supp.p.283). Adv. -τως Antipho 1.25.