Strong's 3582 (ξέστης)

pot

by implication, (of friction) to boil or heat); a vessel (as fashioned or for cooking) (or perhaps by corruption from the Latin sextarius, the sixth of a modius, i.e. about a pint), i.e. (specially), a measure for liquids or solids, (by analogy, a pitcher)

as if from (properly, to smooth;