補給
ほきゅう · hokyuu · JLPT N1 · noun
replenishment
📦 補 = mend/add + 給 = give: giving more to fill a shortfall, i.e. supply.
補 means to patch or fill up, and 給 means to give or provide. Together they name the act of topping up stock, so 補給 means supply or replenishment.