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sei

Οὐδ' ἄμμε διακρινέει φιλότητος ἄλλο, πάρος θάνατόν γε μεμορμένον ἀμφικαλύψαι -> Nor will anything else divide us from our love before the fate of death enshrouds us
Apollonius of Rhodes, Argonautica 3.1129f.

Latin > French (Gaffiot)

sei, v. si.

Latin > German (Georges)

sei, s. si.