[Spanish, originally, a soup made from pulverized stale or toasted bread, from a Mozarabic source perhaps akin to Spanish caspicias, remainders, and caspa, dandruff (of pre-Roman Iberian origin), or from Late Latin gāzophylacium, treasury, alms box (the soup being so called because of the miscellaneous worn-out items found in alms boxes), from Greek gāzophulakion, treasury : gāza, treasure (of Iranian origin; Persian ganj, treasure) + phulax, phulak-, guard.]