"to hiss," 1650s, from Latin sibilatus, past participle of sibilare "to hiss, whistle" (see sibilant (adj.)). Related: Sibilated; sibilating; sibilation.
Entries linking to sibilate
sibilant adj.
"having a hissing sound," 1660s, from Latin sibilantem (nominative sibilans), present participle of sibilare "to hiss, whistle," which is perhaps of imitative origin (compare Greek sizein "to hiss," Lettish sikt "to hiss," Old Church Slavonic svistati "to hiss, whistle"). Related: Sibilance; sibilation (1620s).