γελγοπωλέω
From LSJ
ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
English (LSJ)
A sell garlic, Hermipp.13. II sell γέλγη, Hsch.
German (Pape)
[Seite 479] Handel mit kurzen- oder Trödelwaaren treiben. Hermipp. com. bei Poll. 7, 198.