Webster's Revised Unabridged Dictionary · 1913

Thence

Thence , adverb

[Old English thenne, thanne, and (with the adverbal -s; see -wards) thennes, thannes (hence thens, now written thence), Anglo-Saxon eanon, eanan, eonan; akin to Old High German dannana, dannān, danān, and German von dannen, English that, there. See That.]

1.
From that place.
Bid him thence go. — Chaucer
When ye depart thence, shake off the dust under your feet for a testimony against them. — Mark vi. 11
Then I will send, and fetch thee from thence. — Gen. xxvii. 45

It is not unusual, though pleonastic, to use from before thence. Compare Hence, Whence.

2.
From that time; thenceforth; thereafter.
There shall be no more thence an infant of days. — Isa. lxv. 20
3.
For that reason; therefore.
Not to sit idle with so great a gift Useless, and thence ridiculous, about him. — Milton
4.
Not there; elsewhere; absent. [Poetic] — Shakespeare