courtroom
‘a room in which the proceedings of a court are held’
Lexical development traced from the Tamil root:
court + M.E. roum < O.E. rum ‘space, extent; sufficient space’ < Proto-G. ruman < G. raum ‘space’ < Du. ruim ‘hold of a ship, nave’ < ruma- ‘roomy, spacious’ < ru < reue- < Tamil uṟu