Lactic
/ˈlæk.tɪk/noun
Relating to milk or milk production, or to lactic acid and its salts.
Did you know?The root behind lactic also gave English words like lactose and lactate, all tracing back to Latin lac, lactis, meaning “milk.”
Etymological Timeline
Proto-Indo-European
PIE
*glakt-
“Milk”
Latin
Latin
lac, lactis
“Milk”
Late Latin
Latin
lacticus
“Of milk; milk-like”
17th Century
English
lactic
“Relating to milk or milk-like substances”
Modern English
English
lactic
“Relating to milk or to lactic acid”