Type Word Usage Anglo-Saxon, Old Germanic (Hypothetical) Meaning & History Old English and Germanic word meaning "under" [1][2]. Related ItemsFamily Tree·Details Other Languages & Culturesuntar(Old High German) undar(Old Saxon) Surname DescendantsUnderhill, Underwood(English) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 559. Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 434.