Where does “ciertamente” come from?

ciertamente (Spanish) comes from Spanish -mente, from Latin mēns, from Proto-Italic mentis, from Proto-Indo-European méntis, from Indo-European *men-.

ciertamente (Spanish): certainly

Definitions

certainly

Ancestry of “ciertamente”, step by step

Step	Language	Word	Meaning
1	Spanish	-mente	-wise, -ly, in a specified way
2	Latin	mēns	mind
3	Proto-Italic	mentis	mind, thought
4	Proto-Indo-European	méntis	thought
5	Indo-European	*men-	—

Every word from Indo-European *men- →Every word from Spanish -mente →Every word from Proto-Indo-European méntis →