πεῖσαι

From LSJ

συμπεφύκασι γὰρ αἱ ἀρεταὶ τῷ ζῆν ἡδέως (Epicurus' Letter to Menoeceus via Diogenes Laertius 10.132.10) → The virtues are part and parcel of the stress-free life

Source

French (Bailly abrégé)

inf. ao. de πείθω.

Russian (Dvoretsky)

πεῖσαι: inf. aor. к πείθω.

Dutch (Woordenboekgrieks.nl)

πεῖσαι inf. aor. act. van πείθω.