roundhouse
‘a round or circular prison’
Lexical development traced from the Tamil root:
Du. rondhuis ‘guardhouse’ < round < A.F. rounde, O.F. roont < redond < Vulgar Lat. retundus < Lat. rotundus ‘like a wheel, circular, round,’ related to Lat. rota ‘a wheel, a potter’s wheel; wheel for torture’ + house < rawnd < ret- < Tamil uruḷ