lactate

lactate · verb¹

1. Latin · borrowed fromlactātus
2. English todaylactate

Borrowed from Latin lactātus, perfect passive participle of lactō (“to suckle, give suck, contain milk”) (see -ate (verb-forming suffix)), from lac (“milk”), cognate to Ancient Greek γάλα (gála, “milk”).

lactate · noun²

From lactic acid + -ate (“salt or ester”).