出典:Wiktionary
From Middle English rivelen, from 古期英語 rifelan, riflian (“to wrinkle”), from a frequentative form of Proto-Germanic *ribjōną (“to wrap; wind; roll; twist; coil”), equivalent to rive + -el (frequentative suffix). Related to Old Norse rifja (“to rake (hay) into rows or furrows”).
rivel (三人称単数 現在形 rivels, 現在分詞 rivelling, 過去形および過去分詞形 rivelled)