To some indeterminate place; to some place or other; to somewhere
1897, William Morris, The Water of the Wondrous Isles Chapter Chapter IV. Of the Slaying of Friend and Foe, ... so that the said plain looked even as a wide green highway leading ... somewhence to somewhither.
1922, Katherine (Fullerton) Gerould, Lost Valley, a Novel Chapter , The stirring of the wind was pleasantly ominous to Reilly: it was quickening, encouraging, hostile to inertia; it came somewhence and was going somewhither.
