κολοκάσιον
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
[ᾱ], τό, Nic.Fr.82, Diph.Siph. ap. Ath.3.73a, Dsc.2.106; or κολοκασία, ἡ, Plin.HN21.87, v.l. in Dsc. l.c.:—
A the root of κύαμος Αἰγύπτιος, Nelumbium speciosum, ll.cc., Verg.E.4.20, etc. 2 Κολοκασία, surname of Athena at Sicyon, Ath.3.72b.