One of the 7 deadly sins, it's from the Latin for "to swallow"
Indeed, any enquiry today into the seven deadly sins must have a 
certain ..... 'a glutton'; the Latin glutto, 'a glutton', derived from gluttire, 'to swallow', 
from... [DOC] [TLE] gluttony - Dictionary Definition : Vocabulary.com [PAR] Called one of the seven deadly sins, gluttony is characterized by a limitless ... the 
Latin gluttire, "to swallow," which in turn came from gula, the word for "throat.