Type Word Usage Old Welsh, Medieval Breton Meaning & History Welsh and Breton word meaning "generous". Related ItemsDetails Given Name DescendantsGwenaël, Gwenaëlle, Judicaël, Judikael, Yezekael(Breton) Jewel, Jewell(English) Gwenaël, Gwenaëlle, Judicaël(French) Gwenhael, Iudicael(Medieval Breton) Iudhail(Old Welsh) Ithel(Welsh) Surname DescendantsJekyll, Jewel, Jewell(English)