Where does “unfallaciously” come from?

unfallaciously (English) comes from English unfallacious, from English fallacious, from French fallacieux, from Latin fallacia, from Latin fallāx, from Latin -āx, from Latin -ium, from Latin -ius — Creates adjectives from noun or verb stems.

unfallaciously (English): In an unfallacious manner

Definitions

  1. In an unfallacious manner

Ancestry of “unfallaciously”, step by step

unfallaciously traces back through two separate lines of ancestry.

via English unfallacious

StepLanguageWordMeaning
1EnglishunfallaciousNot fallacious
2EnglishfallaciousCharacterized by fallacy; false or mistaken;...
3Frenchfallacieuxfallacious
4Latinfallaciadeception, deceit
5Latinfallāxdeceptive, deceitful
6Latin-āxish, -y
7Latin-iumSuffix used to form abstract nouns, sometimes...
8Latin-iusforming adjectives from nouns; nominative neuter...
9Proto-Italic-jōsForms comparative adjectives
10Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -yós