Kατεσκευάσθη τὸ ἱερὸν τοῦτο ποτήριον ... ἐν ἔτει ,αω'α' → Τhis holy cup was made ... in the year 1801
oenus: a, um, an ancient form for unus, q. v.
(1) œnus, a, um, v. unus.
(1) oenus1, a, um, altlat. = unus, Cic. de legg. 3, 9.