Roots/*kup-kup-“vessel, hollow container”Widely accepteddomesticcontainercup, cupola, coop, cooperRoot yielding Latin cūpa, English cup, cupola, coop, cooper.Related Rootsbʰedʰ-“to dig, prepare a sleeping place”dem-s-pot-“master of the house”dʰeyǵʰ-mn̥-₂“wall, thing built from clay”dʰwer-eh₂“doorway, entrance”dʰwer-yo-“pertaining to doors, of the threshold”gʰeHbʰ-“to take, grasp (a utensil)”gʷōws“cow, cattle”h₁oyḱ-o-“household, dwelling unit”