Where does “Watsonish” come from?

Watsonish (English) comes from English Watson, from English -son, from Middle English -son, from Middle English -es, from Old English -es, from Proto-Germanic -as, from Proto-Indo-European -ēs, from Proto-Indo-European -ess — Creates action nouns or result nouns from verbs;...

Watsonish (English): Resembling or characteristic of the character Dr....

Definitions

  1. Resembling or characteristic of the character Dr....

Ancestry of “Watsonish”, step by step

Watsonish traces back through two separate lines of ancestry.

via English Watson

StepLanguageWordMeaning
1EnglishWatsonAny character who acts as a catalyst for the detective protagonist's mental processes in a mystery story; a consciousness that is privy to facts in the case without being in on the conclusions drawn from them until the proper time. After William L. DeAndrea, discussing Sir Arthur Conan Doyle
2English-sonAdded to a stem to form a patronymic or...
3Middle English-sonson
4Middle English-esAlternative form of -yssh; Alternative form of...
5Old English-espossessive marker, indicating that an object...
6Proto-Germanic-asused in formation of adverbs
7Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
8Proto-Indo-European-ess
9Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English ish

StepLanguageWordMeaning
1EnglishishPronunciation spelling of is; somewhat,...
2English-ishTypical of, similar to, being like; Somewhat,...
3Middle English-ishAlternative form of -yssh
4Old English-isċ-ish
5Proto-West Germanic-iskCreates adjectives from nouns
6Proto-Germanic-iskazForms adjectives from nouns with the sense of...
7Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to
Every word from Proto-Indo-European -os