LSJ
ὁ, millstone-worker, PTeb. 278.12 (i AD), Gloss., prob. in Sammelb. 7199.29 (ii AD); = ὀνοκόπος, Poll. 7.20. = μύλλος, Sch. Oppian. H. 1.130; — also Dim. μυλοκόπιον, τό, ibid.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
den Mühlstein schärfend, Poll. 7.20.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)