ἐντεῦθεν

Etymology
From. For another modification to, see.

This is the regular medial source demonstrative reflex. Alternatively, this is an extension and without the  is the regular reflex.

Adverb

 * 1) from this or that place, hence or thence
 * 2) from this or that time, henceforth, thereupon
 * 3) from this or that source or cause, therefore