Where does “humouristic” come from?

humouristic (English) comes from English humourist, from English humour, from Middle English humour, from Old French humor, from Latin humor, from Latin umor, from Latin -or, from Proto-Italic -ōs — Creates action nouns or result nouns from verbs;...

Ancestry of “humouristic”, step by step

humouristic traces back through two separate lines of ancestry.

via English humourist

StepLanguageWordMeaning
1EnglishhumouristAlternative spelling of humorist
2EnglishhumourThe quality of being amusing, comical, funny; A...
3Middle EnglishhumourA "cardinal humour"; A bodily liquid or substance...
4Old Frenchhumorhumor one of four fluids that were believed to control the health and mood of the human body
5Latinhumorliquid, fluid, humour; first-person singular...
6Latinumorliquid, fluid, humour; moisture
7Latin-orused to form a third-declension masculine...
8Proto-Italic-ōsCreates masculine action nouns or result nouns...
9Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
10Proto-Indo-European-oss
11Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin umor