אַלְתּוּסְבְּרָאוֹת, (אַל = עַל, a. תוס׳, v. תּוּסְבְּרָא; cmp. I Chron. XXVII, 25); v. אַל־) comes thesaurorum, chief-treasurer. Midr. Till. to Ps. XV magor (his resort, stores) that is א׳ שלו his (the Roman Emperor’s) chief treasurer (or plur. treasurers).