bedridden
‘confined to bed because of illness or infirmity’
Lexical development traced from the Tamil root:
E. bedreden, bedredden, bedraden < O.E. bæddrædæn ‘bedridden’ < bedredab ‘bedridden (man)’ < bed + rida ‘rider’ < Proto-G. ridan < rid < reidh- < Tamil uruḷ