dē-grassor

āri
I. v. dep. n. and a. *
I. Neutr., to rush down: deorsum degrassantur aquae, App. de Deo Socr. p. 94. —
II. Act., poet. transf., to attack fiercely, to revile: primos duces, Stat. Ach. 1, 406 (cf. grassor with the acc., id. Theb. 8, 5, 4).
Lewis & Short
A Latin Dictionary, 1879
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