thence 
(thĕns, thĕns)
(thĕns, thĕns)adv.
1. From that place; from there: flew to Helsinki and thence to Moscow.
2. From that circumstance or source; therefrom.
3. Archaic From that time; thenceforth. See Usage Note at whence.
[Middle English thennes : thenne, from there (from Old English thanon; see to- in the Appendix of Indo-European roots) + -es, genitive sing. suff.; see -S3.]