δέκα εἷς

From LSJ

ἀναγκαιότεραι μὲν οὖν πᾶσαι ταύτης, ἀμείνων δ᾽ οὐδεμίαaccordingly, although all other sciences are more necessary than this, none is more excellent (Aristotle, Metaphysics A 983a10)

Source

Spanish (DGE)

δεκαείς, δεκαμία, δεκαέν
• Grafía: frec. escrito δέκα εἷς, μία, ἕν
once, IG 42.109.2.60, Didyma 426.15 (ambas III a.C.), BGU 2398.9, 29 (III a.C.), SEG 26.676.13 (Larisa II a.C.)
en fechas πρὸ δεκαμιᾶς καλανδῶν Μαΐων Plu.Num.3, cf. Lyd.Mens.4.18.