in-sībĭlo

1, v. n. and a.
I. , to hiss, whistle, or rustle in (poet.): Eurus, Ov. M. 15, 603: ignis membris, Sil. 12, 616: Erinys atros insibilat ore tumores, id. 2, 626.
Lewis & Short
A Latin Dictionary, 1879
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