An Etymological Dictionary of the German Language/hin
hin, adv., ‘hence, that way,’ from MidHG. hin, hine, OHG. hina, adv., ‘off, away’; AS. hina (hin- in compounds, e.g., hinsîþ, ‘departure, death’), adv. ‘away,’ allied to the pronom. stem hi- discussed under heute.