μεῖστος
From LSJ
αὐτῇ τῇ ψυχῇ αὐτὴν τὴν ψυχὴν θεωροῦντα ἐξαίφνης ἀποθανόντος ἑκάστου → beholding with very soul the very soul of each immediately upon his death
English (LSJ)
η, ον, Sup. of μείων,
A least, Hsch., EM676.14, Eust.134.45, Sch.Ar.Pl.627: neut. as Adv., μεῖστον at least, Berl.Sitzb.1927.8 (Locr., V B.C.). (From μέy-ιστος.)