rest

1. The part that is left over after something has been removed; remainder.
2. That or those remaining: The beginning was boring, but the rest was interesting. The rest are arriving later.

1. To be or continue to be; remain: Rest assured that we will finish on time.
2. To remain or be left over.

[Middle English, from Old French reste, from rester, to remain, from Latin restāre, to stay behind : re-, re- + stāre, to stand.]

noun

What remains after a part has been used or subtracted: balance, leavings, leftover, remainder, remains, remnant, residue. See leftover.