Type Word & Element Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "ice" [1][2]. Related ItemsFamily Tree·Details Other Languages & Culturesis(Old Dutch) is(Old High German) Given Name DescendantIsa(Germanic) Same Spellingīśa Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 271. Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 204.