Where does “mentira” come from?

mentira (Old Portuguese) comes from Latin mentīrī, from Vulgar Latin mentionia, from Latin mentio, from Latin mentiri, from Latin mentior, from Latin mens, from Proto-Italic mentis, from Proto-Indo-European méntis.

Ancestry of “mentira”, step by step

StepLanguageWordMeaning
1Latinmentīrī—
2Vulgar Latinmentionia—
3Latinmentiomention, a calling to mind
4Latinmentiripresent active infinitive of mentior
5LatinmentiorI lie, deceive; I pretend, feign
6Latinmensmind; intellect, reason; reasoning, judgement
7Proto-Italicmentismind, thought
8Proto-Indo-Europeanméntisthought
9Indo-European*men-—

Words derived from “mentira”

Every word from Indo-European *men- →Every word from Proto-Indo-European méntis →Every word from Proto-Italic mentis →