In Plautus and elsewhere in old Latin there is an imperative suffix -mino of medio-deponential meaning: opperimino, PL True. 188 (Ambr.), progredimino, id. Pseud. 859, arbitramino, id. Epid. 695, praefamino, Cato, RR. 141, 2, famino Paul. Fest. 62, 10, Th., all 2 sg.; in legal documents, antestamino (si in ius uocat, ni it, antestamino, igitur em capito), in the XII Tables, fruimino (is eum agrum habeto niue fruimino), CIL. 1, 199, profitemino in Lex Iulia Municipalis, all 3 sg. The generally accepted explanation of the form is that it arose from a contamination of the ordinary 2 pl. medio-passive imperative in -mini and the 2, 3 sg. forms in -to, Lindsay, Latin Language, p. 517, Von Planta, Gramm. d. oskisch-umbr. Dial. II, pp. 310 sqq., Buck, Elementarb. d. oskisch-umbr. Dial. p. 112, Sommer, Hdb. d. lat. Laut- u. Formenlehre, p. 366, Stolz, Lat. Gramm*. p. 158. The Oskan and the Umbrian forms in -mo, -mu, U. spahamu, eturstahmu, persnimu, O. censamur, all of 2 or 3 sg., and U. arsmahamo, caterahamo of 2 or 3 pi., are identified with the Lat. -minō forms on the assumption that the Osk-Umbr. -mu represents an older *-mnō which in turn arose by syncope from -*menō Von Planta, l.c. This explanation is the most satisfactory that has been given, and we may suppose that Latin, Oskan, and Umbrian had an imperative form in *-menō.