Quid ait tandem, [Glycerium se scire civem esse Atticam].
INTERROG-N-S-ACC say-3-S at length Glycerium-N-S-ACC ANA-ACC know-INFIN citizen-F-S-ACC be-INFIN Athenian-F-S-ACC
What does he say then, that Glycerium knows she's an Athenian citizen.