A Qenya verb mentioned a couple times in the Gnomish Lexicon of the 1910s as related to either G. guira- “possess” or G. gaithi “he had” as a past form of gôtha- “possess, have, hold” (GL/42-43).
Early Quenya
milk(i)-
verb. to possess, have, keep
yaim-
verb. to possess
yaima-
verb. to possess
A verb appearing as milk- “have, keep, possess” in the Qenya Lexicon of the 1910s under the early root ᴱ√MḶKḶ (QL/62). It also appeared as milki- “possess” in a list of m-roots (QL/63).