κολλυρικός
From LSJ
Καὶ τῶν λεγόντων εὖ καλὸν τὸ μανθάνειν → It is a fine thing to learn from those who speak well
English (LSJ)
κολλυρική, κολλυρικόν, made of κολλῦραι, jus collyricum, Plaut.Pers.95.
Greek (Liddell-Scott)
κολλῡρικός: -ή, -όν, κατεσκευασμένος μὲ κολλύρας, jus collyricum Plaut. Pers. 1. 3, 15.