/dhens/ , adv.
1. from that place: I went first to Paris and thence to Rome.
2. from that time; thenceforth: He fell ill and thence was seldom seen.
3. from that source: Thence came all our troubles.
4. from that fact or reason; therefore: We were young, and thence optimistic.
[ 1250-1300; ME thennes, equiv. to thenne (earlier thenene, OE thanon ( e ) thence) + -es -S 1 ]
Usage . See whence .