per-dĭsertus

a, um, adj.
I. very eloquent (late Lat. and rare), Gram. Vat. Praep. 5 (Class. Auct. vol. 5 Mai).—Hence, per-dĭsertē, adv., very eloquently, Cic. de Or. 1, 14, 62.
Lewis & Short
A Latin Dictionary, 1879
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