cupful
‘the amount that a cup can hold’
Lexical development traced from the Tamil root:
O.E. cuppe < O.Nort. copp < La.Lat. cuppa ‘cup’ < Lat. cupa ‘tub, cask, tun, barrel’ + -ful < kuhp < kup- < Tamil kappu
cupful
English words derived from Tamil kappal connoting 'ship'