Strongs Number: G575
Orig: a primary particle; "off," i.e. away (from something near), in various senses (of place, time, or relation; literal or figurative):--(X here-)after, ago, at, because of, before, by (the space of), for(-th), from, in, (out) of, off, (up-)on(-ce), since, with. In composition (as a prefix) it usually denotes separation, departure, cessation, completion, reversal, etc.
Heb Strong: H8537
1) of separation
1a) of local separation, after verbs of motion from a place i.e. of departing, of fleeing, ...
1b) of separation of a part from the whole
1b1) where of a whole some part is taken
1c) of any kind of separation of one thing from another by which the union or fellowship of the two is destroyed
1d) of a state of separation, that is of distance
1d1) physical, of distance of place
1d2) temporal, of distance of time
2) of origin
2a) of the place whence anything is, comes, befalls, is taken
2b) of origin of a cause