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pergraviter

τύμβος, ὦ νυμφεῖον, ὦ κατασκαφής οἴκησις αἰείφρουρος, οἷ πορεύομαι πρὸς τοὺς ἐμαυτῆς -> Tomb, bridal chamber, eternal prison in the caverned rock, whither I go to find mine own.
Sophocles, Antigone, 883

Latin > French (Gaffiot)

pergrăvĭtĕr, très gravement, très fortement : Cic. Att. 1, 10, 2 ; de Or. 1, 227.

Latin > German (Georges)

pergraviter, Adv. (pergravis), sehr heftig, sehr empfindlich, p. alqm reprehendere, Cic. de or. 1, 227: p. illum esse offensum, Cic. ad Att. 1. 10, 2.