somewhen[adverb]Synonyms: yet, eventually, finally, someday, sometime, sooner or later, ultimately
 [TahlilGaran] English Synonym Dictionary ▲
 somewhen adverb. 
['sʌmwɛn] colloq. & 
dial. OE.[from SOME adjective + WHEN adverb.]At some (indefinite or unknown) time; sometime or other. Freq. coupled with 
somewhere or 
somehow.
►  Not recorded between 
LME and 
M19.  [TahlilGaran] English Dictionary ▲