An Etymological Dictionary of the German Language/Rinne
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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.