The spelling of the word "Invious" is incorrect. The correct spelling is "Envious" [ˈɛnviəs]. The IPA phonetic transcription of the word Envious is /ˈɛnviəs/. The word Envious is an adjective that describes the feeling of jealousy or envy towards someone or something. It is important to use correct spelling and pronunciation to avoid confusion in communication. So next time when you want to use the word, make sure to spell it correctly as "Envious".
Untrodden.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.