verb/silˈbaɾ/
to whistle
Etymology tree Proto-Indo-European *sweysd-der.? Latin sībilus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin sībilō Old Spanish silvar Spanish silbar Inherited from Old Spanish silvar, siblar, from Latin sībilāre, with syncope of short /i/ and metathesis of /l/. Doublet of chiflar, which came through a Vulgar Latin variant form. Cognate with English s