excrescent

adjective

ex·​cres·​cent ik-ˈskre-sᵊnt 

ek-

1

: forming an abnormal, excessive, or useless outgrowth

2

: of, relating to, or constituting epenthesis

excrescently adverb

Word History

Etymology

Latin excrescent-, excrescens, present participle of excrescere to grow out, from ex- + crescere to grow — more at crescent

First Known Use

1633, in the meaning defined at sense 1