casket
‘a small case or chest for jewels and other valuables’
Lexical development traced from the Tamil root:
E. caskytt, cascate, casquet < F. casset ‘a casket, a chest’ < O.N.F. casse < case ‘box’ + -et < O.F. -et,-ette < Vulgar Lat. -ittum / -itta < uht < -et < Tamil iṭṭu