Type Word & Element Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "guest, stranger" [1][2]. Related ItemsFamily Tree·Details Other Languages & Culturesgasti(Frankish) gast(Old High German) Given Name DescendantsGaston(French) Gasto(Germanic) Gastone(Italian) Gastón(Spanish) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 170. Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 127.