https://www.etymonline.com/word/milk https://www.etymonline.com/word/milk This says people have been calling other things milk for at least 800 years and sugge

https://www.etymonline.com/word/milk https://www.etymonline.com/word/milk This says people have been calling other things milk for at least 800 years and suggests the origination might be in the verb form rather than the noun form. Also, defined by whom?