Middle English, early 15th century, in sense “(action of) growing out (of something else)”. From Latin excrescentia (“abnormal growths”), from excrescentem, from excrēscere, from ex- (“out”) (English ex-) + crēscere (“to grow”) (English crescent). Sense of “abnormal growth” from 1570s, from earlier excrescency (1540s in this sense).
excrescence (plural excrescences)
- something, usually abnormal, which grows out of something else
- a disfiguring or unwanted mark or adjunct
- (phonetics) epenthesis of a consonant, e.g., warmth as [ˈwɔrmpθ] (adding a [p] between [m] and [θ]), or -t (Etymology 2).
- (phonetic): anaptyxis
- (phonetic): epenthesis
- (phonetic): linking consonant
- (phonetic): intervocalic