Where does “mentira” come from?

mentira (Papiamentu) comes from Spanish mentira, from Spanish mentir, from Old Spanish mentir, from Latin mentīrī, from Vulgar Latin mentionia, from Latin mentio, from Latin mentiri, from Latin mentior.

mentira (Papiamentu): lie

Definitions

Ancestry of “mentira”, step by step

mentira traces back through two separate lines of ancestry.

via Spanish mentira

Step	Language	Word	Meaning
1	Spanish	mentira	lie, trick, falsity
2	Spanish	mentir	to lie
3	Old Spanish	mentir	to lie
4	Latin	mentīrī	—
5	Vulgar Latin	mentionia	—
6	Latin	mentio	mention, a calling to mind
7	Latin	mentiri	present active infinitive of mentior
8	Latin	mentior	I lie, deceive; I pretend, feign
9	Latin	mens	mind; intellect, reason; reasoning, judgement
10	Proto-Italic	mentis	mind, thought
11	Proto-Indo-European	méntis	thought
12	Indo-European	*men-	—

via Kabuverdianu mintira

Step	Language	Word	Meaning
1	Kabuverdianu	mintira	lie
2	Portuguese	mentira	lie; I mean
3	Old Portuguese	mentira	—

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