ἀπορώτερον

From LSJ

Kατεσκευάσθη τὸ ἱερὸν τοῦτο ποτήριον ... ἐν ἔτει ,αω'α' → Τhis holy cup was made ... in the year 1801

Source

Lexicon Thucydideum

periculosius, more dangerously, 1.82.5.