ὔμοι
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
English (LSJ)
Adv., Aeol. for ὁμοῦ, Sapph.Supp.23.13, Epigr.Gr.988.3 (Balbilla). ὔμοιος, α, ον, Aeol. for ὅμοιος (q.v.).