lactic
/ˈlaktɪk
/adjective
Relating to or obtained from milk.Reddy contends that, back in the 1930s and 1940s, there was more lactic flora in the milk....
- Cuinneog Natural Buttermilk is rich in natural lactic biotics and contains all the healthy ingredients of natural yoghurt.
- By the time I wrestled it in, my arm was trembling with lactic exhaustion.
Origin
Late 18th century: from Latin lac, lact- 'milk' + -ic.
lettuce from Middle English:
Lettuce came into English from Old French letues or laitues, from Latin lactuca, whose root was lac ‘milk’—the connection was the milky juice that lettuce produces. Latin lac also gave us lactic (late 18th century), ‘relating to milk’.