Type Word Usage Old Irish Meaning & History Old Irish prefix meaning "daughter" [1]. Related ItemsDetails Given Name DescendantsDearbháil, Dearbhla, Deirbhile, Derval, Dervila, Dervla, Doireann(Irish) Daireann, Doireann, Doirend(Irish Mythology) Derbáil, Derbiled(Old Irish) Same Spellingder 1 Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 109.