μῦ
From LSJ
κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown
English (LSJ)
τό, name of the letter μ, IG2.4321.24 (iv B. C.), Epigr. ap. Ath. 10.454f, Hellad. ap. Phot.Bibl.p.530 B., etc. 2 μῦ or μὺ μῦ, to represent a muttering sound made with the lips, μῦ λαλεῖν to mutter, Hippon.80 (dub. l.); to imitate the sound of sobbing, μὺ μῦ, μὺ μῦ Ar.Eq.10.
French (Bailly abrégé)
1(τό) :
indécl.
v. Μ, μ.
2interj.
onomatopée pour exprimer un gémissement, un grognement.