An Etymological Dictionary of the German Language/Rinne
Rinne, f., ‘channel, gutter, groove,’ from MidHG. rinne, f., OHG. rinna, f., ‘watercourse,’ MidHG. also ‘gutter, eavestrough.’ Comp. Goth. rinnô, f., ‘brook,’ and AS. rynele, E. rindle. Connected with the following word.