Where does “undisinterested” come from?

undisinterested (English) comes from English disinterested, from English disinterest, from English interest, from Old French interest, from French intérêt, from Medieval Latin interesse, from Latin interesse, from Latin esse — to be.

undisinterested (English): Not disinterested

Definitions

  1. Not disinterested

Ancestry of “undisinterested”, step by step

undisinterested traces back through two separate lines of ancestry.

via English disinterested

StepLanguageWordMeaning
1EnglishdisinterestedHaving no stake or interest in the outcome; free...
2EnglishdisinterestA lack of interest; The absence of bias; What is...
3EnglishinterestThe price paid for obtaining, or price received...
4Old Frenchinterest
5Frenchintérêtinterest; point
6Medieval Latininteressepresent active infinitive of intersum; to...
7Latininteressepresent active infinitive of intersum; to...
8Latinessepresent infinitive of sum; state, condition;...
9Ancient Greekοὐσίαthat which is one's own, one's substance,...
10Ancient GreekεἰμίTo be, exist; live; To be; it is possible
11Proto-Hellenicehmito be
12Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
13Proto-Indo-Europeanh₁ēs-to be

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₁ēs-
undisinterested — Etymology, Origin & Word History | Etymology Explorer