Old English Alternative forms ældu, eldo — Anglian eld, ield, ieldo, yldo, yld Etymology From Proto-West Germanic *aldī, from Proto-Germanic *alþį̄. Equivalent to eald + -u. Pronunciation IPA(key): /ˈi͜yl.du/, [ˈi͜yɫ.du] Noun ieldu f (West Saxon) age period old age Declension Strong ō-stem: More information singular, plural ... singular plural nominative ieldu ielda, ielde accusative ielde ielda, ielde genitive ielde ielda dative ielde ieldum Close Descendants Middle English: elde English: eld Scots: elde eild Wikiwand - on Seamless Wikipedia browsing. On steroids.