BT BB 5a(15) :ארבע לצלא וארבעי לצללא‏ : four (loaves) for a large piece of leather and four (loaves) for a small piece
See the entire entry for ˀarbaˁ num. four

BT BB 5a(15) :ארבע לצלא וארבעי לצללא‏ : [a proverb:] four for a piece of leather, forty for a small piece of leather †
See the entire entry for ṣlˀlˀ n.m. small piece of leather