Ask at the forum if you have an Ancient or Modern Greek query!
Μία χελιδὼν ἔαρ οὐ ποιεῖ → One swallow does not a summer make
κραίνω, κάμπτω, ἐπιχαλκεύω, ἀσκέω, καταρρινάω, ἐκκαθαίρω, ἐπασκέω, ἐπελαύνω