clīmacter

I. a critical epoch in human life, a climacteric (in accordance with the ancient belief, the years 7, 14, 21, 28, etc.), Plin. 7, 49, 50, § 161; Gell. 3, 10, 9; Firm. Math. 4, 14; Censor. 14 (cf. κλιμακτήρ in Lidd. and Scott).