Protuberance
/proʊˈtjuːbərəns/noun
A rounded swelling or part that projects outward from a surface.
Did you know?Protuberance ultimately connects with Latin tuber, a swelling or lump, the same root that produced the botanical word “tuber” for an underground swollen stem such as a potato.
Etymological Timeline
Proto-Indo-European
PIE
*teuH-
“To swell or become enlarged”
Ancient Latin
Latin
tuber
“A swelling, lump, or bodily protuberance”
Classical Latin
Latin
protuberare
“To swell outward or project; literally, to swell forward”
Late Latin
Latin
protuberantia
“A projecting swelling or prominence”
16th Century
English
protuberance
“A projecting part or rounded swelling”
Modern English
English
protuberance
“A visible rounded projection from a surface”