from teros (a watch, perhaps akin to 2334); TDNT - 8:140,1174
AV - keep 57, reserve 8, observe 4, watch 2, preserve 2, keeper 1, hold fast 1; 75
1) to attend to carefully, take care of
1a) to guard
1b) metaph. to keep, one in the state in which he is
1c) to observe
1d) to reserve: to undergo something