ruien

• ruiven (Belgium)
• ruyen, ruiden, ruyden (obsolete)

With regular syncope of intervocalic -d- from earlier ruiden, from Middle Dutch *ruden (attested in derived terms). Probably from Proto-West Germanic *riudijan, whence archaic German reuten (“to uproot, clear”), an ablaut variant of Proto-West Germanic *rodōn, whence Dutch rooien, German roden.

Alternatively compare perhaps ruit (“mange”), regionally also rui, ruide, from Proto-Germanic *hrūþǭ, as hair loss is one of the main symptoms of mange in animals. The latter is probably related with Dutch roof (“scab”), to which compare the variant ruiven above (though the -v- can also be explained as the fortition of an epenthetic -w- in hiatus).

• IPA^(key): /ˈrœy̯.ə(n)/

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• Hyphenation: rui‧en
• Rhymes: -œy̯ən

ruien

1. to moult, to shed (of animals; lose a covering of fur, feathers or skin etc.)

• rui

• ruïne