ὁ τυχών

From LSJ

Θυμῷ χαρίζου μηδέν, ἄνπερ νοῦν ἔχῃς → Si mens est tibi, ne cedas iracundiae → Dem Zorn sei nicht zu Willen, bist du bei Verstand

Menander, Monostichoi, 245

Greek > English (Woodhouse)

casual, chance, appearing by chance, the man in the street