-θεν
From LSJ
-θεν (Α)
βλ. -θε.
I. old termin. of the gen., as in ἐμέθεν, σέθεν, Διόθεν, θεόθεν; sometimes after Preps., ἀπὸ Τροίηθεν Od.; ἐξ οὐρανόθεν Il.
II. as insep. Particle, denoting motion from a place, opp. to -δε, as in ἄλλοθεν, οἴκοθεν, from another place, from home.