Where does “contraintuitive” come from?

contraintuitive (English) comes from English intuitive, from Middle French intuitif, from Medieval Latin intuitivus, from Latin intueri, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “contraintuitive”, step by step

contraintuitive traces back through two separate lines of ancestry.

via English intuitive

StepLanguageWordMeaning
1EnglishintuitiveSpontaneous, without requiring conscious thought;...
2Middle Frenchintuitif
3Medieval Latinintuitivus
4Latinintueripresent active infinitive of intueor; to intuit;...
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

via English Contra

StepLanguageWordMeaning
1EnglishContraA member of any of various rightist guerrilla...
2Latincontrāagainst
3Latinubīwhere? in what place?, in which place?
4Latincubī
5Proto-Italic*kʷuðeiwhere
Every word from Proto-Indo-European h₁énEvery word from Proto-Italic enEvery word from Latin en