εὐθύχαλκος
From LSJ
τούτου δὲ συμβαίνοντος ἀναγκαῖον γίγνεσθαι πάροδον καὶ τροπὰς τῶν ἐνδεδεμένων ἄστρων → but if this were so, there would have to be passings and turnings of the fixed stars
English (LSJ)
εὐθύχαλκον, payable on demand in cash (copper), POxy.1482.15 (ii A.D.).
Greek Monolingual
εὐθύχαλκος, -ον (Α)
αυτός που πληρώνεται τοις μετρητοίς, επί τη εμφανίσει.