adv. Also 4 somwanne, sumwhan(ne. [f. SOME a.1 + WHEN adv.] At some (indefinite or unknown) time; sometime or other. Common in recent use, esp. coupled with somewhere.
1297. R. Glouc. (Rolls), 5212. Of þe batayles of denemarch þat abbeþ ybe in þis londe . Worst hii were, vor oþere somwanne adde ydo [etc.].
1863. Kingsley, Water-Bab., 349. Some folks cant help hoping that they may have another chance, to make things fair and even, somewhere, somewhen, somehow.
1875. Whitney, Life Lang., ix. 174. Spoken somewhere and somewhen in the past.
1876. Freeman, in W. R. W. Stephens, Life & Lett., II. 134. To tarry with James Allen till somewhen about next Wednesday.