en.wiktionary.orgjallur - Wiktionary, the free dictionary From Wiktionary, the free dictionary jall From Old Norse jarl, from Proto-Norse ᛖᚱᛁᛚᚨᛉ (erilaʀ), from Proto-Germanic *erlaz, akin to Old English eorl (English earl). IPA(key): /ˈjatlʊɹ/ jallur m (genitive singular jals, plural jallar) jarl earl (especially applied to nobles of Britain in modern times)