55%RatingSave Gender Masculine Usage German, Germanic [1] Pronounced Pron. /ˈɡeː.ʁo/(German) [key·simplify] Meaning & History Originally a short form of Germanic names beginning with Old Frankish gair or Old High German ger meaning "spear" (Proto-Germanic *gaizaz). Related NamesFamily Tree·Details Rootgair/gerOther Languages & CulturesGeir(Icelandic) Geir(Norwegian) Geirr(Old Norse) User SubmissionsGero, Gerő Name DaysName Days? Austria: June 29Germany: March 19 Categories short forms, weapons Sources & References Förstemann, Ernst. Altdeutsches Namenbuch. Bonn, 1900, page 573.