sibilus

From Proto-Indo-European *sweysd- (“to hiss”), related to Welsh chwythu (“to play instrument, blow”), Old Irish setim (“to blow”), Polish gwizdać (“to whistle”), Old Church Slavonic свистати (svistati, “to whistle”), Russian свисте́ть (svistétʹ, “to whistle”), Sanskrit क्ष्वेडति (kṣveḍati, “to whisper, hum, buzz”), Hindi सीटी (sītī, “to whistle”), Proto-Germanic *sweglō (“flute”) and Proto-Germanic *sweglōną (“to play flute”) (compare Old High German swegala (“flute”) and Gothic 𐍃𐍅𐌹𐌲𐌻𐍉𐌽 (swiglōn, “to play flute”)).[1]

• (Classical) IPA^(key): /ˈsiː.bi.lus/, [ˈsiː.bɪ.ɫʊs]

sībilus m (genitive sībilī); second declension

1. a hissing, whistling
2. a contemptuous hissing

Second declension.

• sībilō

• sibilus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• sibilus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• sibilus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette