LSJ
ἁ, Boeot., = τράπεζα II, bank, IG 7.3172.139 (Orchom., iii BC); τρεπεδδίτας [ι], ὁ, = τραπεζίτης, ib. 2420.34 (Thebes, iii BC). (Not from τράπεζα but from τρίπεζα, which Hsch. inaccurately calls Boeot. for τράπεζα.)
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)