Where does “nobbut” come from?

nobbut (English) comes from English Nō, from Middle English no, from Old English nā, from Old English ne, from Old English ealles, from Old English -es, from Proto-Germanic -as, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

nobbut (English): nothing but; only; just

Definitions

  1. nothing but; only; just

Ancestry of “nobbut”, step by step

nobbut traces back through two separate lines of ancestry.

via English

StepLanguageWordMeaning
1English
2Middle Englishnono
3Old Englishno
4Old Englishnenot; or, and not; "ne... ne..." is used to mean "...
5Old Englisheallescompletely, wholly, entirely; totally,...
6Old English-espossessive marker, indicating that an object...
7Proto-Germanic-asused in formation of adverbs
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English but

StepLanguageWordMeaning
1EnglishbutApart from, except (for), excluding
2Middle EnglishbutAlternative form of bote
3Old Englishbūtanwithout, outside of, except, only; outside of
4Proto-West Germanic*biūtanoutside, externally
Every word from Proto-Indo-European -osEvery word from Old English -esEvery word from Old English ealles