English
allelopathy
From allelo- + -pathy.
A compound of allelo- + -pathy
Ancient Greek ᾰ̓λλήλων ‘one another, each other, mutually, reciprocally’
English allelo-
Today it means
noun The release by a plant of a toxin to suppress growth of nearby competing plants.
Language periods are conventional ranges, not dates for this word.
Etymograph / allelopathy