Type Word Usage Old Welsh Meaning & History Old Welsh word meaning "bear (animal)" [1]. Related ItemsDetails Other Languages & Culturesartos(Old Celtic) Given Name DescendantsArmel, Arzhel(Breton) Armel, Armelle(French) Arthfael(Medieval Welsh) Arthmail(Old Welsh) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 42.