σῑτ-ώνιον · sit-ōnion — LSJ
public granary, storehouse, or wheat-fund, = σιτωνικόν, IG 14.423 i 37, al. (Tauromenium, ii/i B.C.).
money for the purchase of corn, corn-money, as part of a soldierʼs pay, UPZ 14.74 (ii B.C.), PTheb.Bank 6.3, 7.3, al. (ii B.C.).
name of a tax, prob. levied to provide cornmoney, BGU 1846.5 (i B.C.).