Save Gender Masculine Usage Old Norse, Norse Mythology Pronounced Pron. EHLD-eer(Norse Mythology) [key] Other Forms FormsElder Meaning & History Meaning unknown. In Norse mythology Eldir is one of Ægir's servants. After Loki is driven out of Ægir's hall for killing Fimafengr, he tries to regain entry, but Eldir refuses to let him in.