English

procancerous

From pro- + cancerous.

Proto-Indo-European *pér ‘through’

Proto-Indo-European *pró ‘forwards, before’

Proto-Italic *prō ‘in front of, before’

Latin prō ‘in favor of, on behalf of’

English pro-

Proto-Indo-European *(s)ker- ‘to turn, bend’

…

Proto-Italic *kankros ‘enclosure, fence’

Latin cancer ‘crab’

Latin cancerōsus

Middle English cancerous

Today it means

adj That promotes the growth of a cancer

Language periods are conventional ranges, not dates for this word.

Etymograph / procancerous