Type Word Usage Old Welsh Meaning & History Old Welsh word meaning "wheel" [1]. Related ItemsDetails Given Name DescendantsRotri(Old Welsh) Rhodri(Welsh) Aranrhod, Arianrhod(Welsh Mythology) Same Spellingrod 1 Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 314.