The term 'stored up' can be defined by the crossword solutions of 'saved', 'AMASSED', 'pent', 'hived', and 'laidin'. To save something is to keep it for future use, while to amass something is to accumulate a large amount of it. Pent is an archaic word meaning to enclose or confine, while hived is to store in a hive or receptacle. Lastly, laidin is to put away for safekeeping. All of these words describe the act of storing something up for future use.