LSJ
triturate, Archig. ap. Gal. 13.169 (Pass.); grind small, Gal. 13.169.
plane, smooth; hence metaph in Med. aor. Boeot. διαλιάνασθη, = διαλεάνασθαι, cancel a debt, IG 7.3172.158 (Orchom. Boeot.).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)