allocate (v.) Look up allocate at Dictionary.com
1630s, from adj. (mid-15c.), from M.L. allocate (the common first word of writs authorizing payment), imperative plural of allocare "allocate," from L. ad- "to" + locare "to place" (see locate).
allow Look up allow at Dictionary.com
c.1300, from O.Fr. alouer "approve," from L. allaudare, compound of ad- "to" + laudare "to praise," confused and merged in O.Fr. with alouer "assign," from L. allocare (see allocate). From the first word came the sense "permission based on approval," from the second the meaning preserved in allowance.
allocation Look up allocation at Dictionary.com
1530s, from Fr. allocation, from M.L. allocationem (nom. allocatio), noun of action from allocatus, pp. of allocare (see allocate).