roly-poly
‘a short, plump person or thing’
Lexical development traced from the Tamil root:
E. rowle-powle, roley-poley, rowley-powley, rowlie-powlie < (probably a varied reduplication of ) the verb roll) < O.F. roeller ‘roll, wheel round’ < Med.Lat. rotulare < Lat. rotula < rota ‘wheel’ + -poly < roli < ret- < Tamil uruḷ