Where does “sunder out” come from?

sunder out (English) comes from English out, from Middle English oute, from Old English ūt, from Proto-West Germanic *ūt, from Proto-Germanic ūt, from Proto-Indo-European úd — out, outward.

sunder out (English): To separate or set apart from others; split out;...

Definitions

  1. To separate or set apart from others; split out;...

Ancestry of “sunder out”, step by step

sunder out traces back through two separate lines of ancestry.

via English out

StepLanguageWordMeaning
1EnglishoutAway from the inside, centre or other point of...
2Middle Englishouteout
3Old Englishūtout
4Proto-West Germanic*ūtout, outward
5Proto-Germanicūtout, outward
6Proto-Indo-Europeanúdout, outward

via English sunder

StepLanguageWordMeaning
1EnglishsunderSundry; separate; different; To break or separate...
2Middle Englishsunder
3Old Englishsundor-apart, aloof, separately, in a manner that...
4Old Englishsundorapart, separate, private, aloof, by one's self
5Proto-Germanicsundrazseparate, isolated, alone
6Proto-Indo-Europeansnter-
Every word from Proto-Indo-European údEvery word from Proto-Germanic ūtEvery word from Proto-West Germanic *ūt