Where does “dulcísimamente” come from?

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

Ancestry of “dulcísimamente”, step by step

StepLanguageWordMeaning
1Spanish-mente-wise, -ly, in a specified way
2Latinmēnsmind
3Proto-Italicmentismind, thought
4Proto-Indo-Europeanméntisthought
5Indo-European*men-—
Every word from Indo-European *men- →Every word from Spanish -mente →Every word from Proto-Indo-European méntis →