Where does “sibilantly” come from?

sibilantly (English) comes from English sibilant, from Latin sībilāns, from Latin sībilō, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

sibilantly (English): With a hissing or sibilant sound

Definitions

  1. With a hissing or sibilant sound

Ancestry of “sibilantly”, step by step

sibilantly traces back through two separate lines of ancestry.

via English sibilant

StepLanguageWordMeaning
1EnglishsibilantCharacterized by a hissing sound such as the "s"...
2Latinsībilānshissing, whistling
3Latinsībilōto hiss
4Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
5Proto-Indo-EuropeanDerives nouns from roots

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European Every word from Latin Every word from Latin sībilō