English
hemolysin
From hemo- + lysin.
A compound of hemo- + lysin
Proto-Indo-European *lewh₁- ‘to cut off, separate, free’
Ancient Greek λύω ‘loosen’
Ancient Greek λύσις ‘loosing, releasing, release, ransoming’
English lysin
Today it means
noun Any substance (often an exotoxin) that damages the membranes of red blood cells and thus releases hemoglobin.
Language periods are conventional ranges, not dates for this word.
Etymograph / hemolysin