*מַלָּךְ, (= מַה לָךְ) what is it to thee?; of no practical value. Sabb. 150ᵃ sq. חשבונות של מ׳ ושל מה בכך (Ms. M. מה לך, v. Rabb. D. S. a. l. note) accounts of ‘what is it to thee?’ and of ‘what is in it?’, i.e. for no practical purpose. [Oth. opin., v. Ar.]