Meaning

noun an aimless amble on a winding course

verb continue talking or writing in a desultory manner

verb move about aimlessly or without any destination, often in search of food or employment

originAn altered form (with dissimilation of mm to mb) of dialectal rammle, from Middle English *ramlen, *ramelen, frequentative of Middle English ramen (“to roam, ramble”); compare Swedish ramla (“to stumble; fall; make a noise; rumble”), Danish ramle (“to stumble; collapse; thunder; boom”); equivalent to roam + -le. "mid-15 c., perhaps frequentative of 'romen' 'to walk, go' perhaps via 'romblen'…

Etymology from Wiktionary, CC BY-SA 3.0