a mon avis hallows est en language sorcier c'est pour ca que tout le monde ne sait pas

Pas creusé des masses, mais j'ai trouvé ça : "Le terme Halloween qui date du Moyen Âge est une abréviation de l'anglais All Hallow Even ". So, a priori, c'est pas sorcier ;-) (ou presque)

Re !  
Ayé : trouvé !
"Hallow
Verb
1. Render holy by means of religious rites.
 
Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.
 
 
 
Date "hallow" was first used in popular English literature: sometime before 1591. (references)
 
Note: Hallow \Hal"low\, transitive verb. [imperative past participle Hallowed; present participle verb or noun Hallowing.]. (Websters 1913)
 
 
 
 
 
Specialty Definitions: Hallow
Domain Definitions  
Bible Hallow to render sacred, to consecrate (Ex. 28:38; 29:1). This word is from the Saxon, and properly means "to make holy." The name of God is "hallowed", i.e., is reverenced as holy (Matt. 6:9). Source: Easton's 1897 Bible Dictionary. "
 
Yessss !