δωδεκαταῖος
From LSJ
Χαίρειν ἐπ' αἰσχροῖς οὐδέποτε χρὴ πράγμασιν → Non decet in rebus esse laetum turpibus → In schlimmer Not ist Freude niemals angebracht
English (LSJ)
α, ον,
A on the twelfth day, in twelve days, δ. ἀνεβίω Pl. R.614b, cf. Thphr.HP7.1.3; δυωδεκαταῖος ἀφ' ὧτέ νιν οὐδὲ ποτεῖδον Theoc.2.157. II twelve days old, Hes.Op.751 (in poet. form δυωδ-), Arist.HA567a5.