Attempero, attémperas, pen cor. attemperâre, vt, Attemperare gladium iugulo. Sen To make sitte or meete.Attem peratè pen prod. Adueibium. Terent. ltáne attempetatè venit hodie in ipsis nuptijs? In season: iustly: in time: at the very paint.
Lewis and Short: Latin dictionary
at-tempĕro (adt-, Haase), āre, v. a., to fit, adjust, accommodate (only in the foll. exs.): gladium sibi adtemperare, i. e. accommodare, Sen. Ep. 30, 8: paenula, ut infundibulum inversum, est attemperata, Vitr. 10, 12, 2.—Hence, attempĕrātē, adv., opportunely, seasonably, = accommodate, commode: Itane attemperate evenit, hodie in ipsis nuptiis Ut veniret, antehac numquam?Ter. And. 5, 4, 13.