Where does somewhither come from?

It is traced to Middle English.

somewhither

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Scrabble Score

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adv

To some indeterminate place; to some place or other; to somewhere

Archaic; Literary

"See, Lucius, see how much she makes of thee / Somewhither would she have thee go with her."
"1884, Oliver Wendell Holmes, "In our youths, our hearts were touched with fire", Memorial Day speech, 30 May 1884, Keene, New Hampshire, USA, Speech delivered before John Sedgwick Post No. 4, Grand Army of the Republic All that is required of you is that you should go somewhither as hard as ever you can."
"So came they, three hours after noon, to where was a clearing in the woodland, and a long narrow plain some furlong over lay before them,[…], and the wood rose on the other side high and thick, so that the said plain looked even as a wide green highway leading from somewhence to somewhither."
"Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations."
"The stirring of the wind was pleasantly ominous to Reilly: it was quickening, encouraging, hostile to inertia; it came somewhence and was going somewhither."

From Middle English somwhether; equivalent to some + whither.