1) Fictional language 
[Dune] Galach is the universal lingua franca in the fictional Dune universe created by Frank Herbert, described in the `Terminology of the Imperium` appendix of Dune as `Hybrid Inglo-Slavic with strong traces of cultural-specialization terms adopted during the long chain of human migrations,` indicating that the language is either a creole ...[Yiddish word] Galach or Gal`ach is a Yiddish word meaning priest or, sometimes, any type of Christian minister. Its etymology is the Hebrew word galach, meaning `to shave` or `shaven`, a reference to the fact that rabbis traditionally wore beards. ...
Universal language of the Dune universe.