U

replenishment

verb (used with object)

to make full or complete again, as by supplying what is lacking, used up, etc.: to replenish one’s stock of food.
to supply (a fire, stove, etc.) with fresh fuel.
to fill again or anew.

verb (tr)

to make full or complete again by supplying what has been used up or is lacking
to put fresh fuel on (a fire)

mid-14c., from Old French repleniss-, extended present participle stem of replenir “to fill up,” from re-, here probably an intensive prefix, + -plenir, from Latin plenus “full” (see plenary). Related: Replanished; replenishing.