LSJ
ὁ, ἡ, (< ἔχω) having charge of the store-room, Aesop. ap. Gloss. iii p. 47, Hsch.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ὁ, die Vorratskammer unter sich habend, also = ταμίας, Sp.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)