Where does “desventajosamente” come from?

desventajosamente (Spanish) comes from Spanish desventajoso, from Spanish ventajoso, from Spanish ventaja, from French avantage, from Old French avantage, from Old French avant, from Latin ab ante, from Latin ante — Derives abstract/action nouns from verb roots.

desventajosamente (Spanish): disadvantageously, unprofitably, unfavorably

Definitions

disadvantageously, unprofitably, unfavorably

Ancestry of “desventajosamente”, step by step

Step	Language	Word	Meaning
1	Spanish	desventajoso	disadvantageous, unprofitable, unfavorable
2	Spanish	ventajoso	advantageous, profitable, favorable
3	Spanish	ventaja	advantage, upper hand, edge; benefit; head start
4	French	avantage	advantage
5	Old French	avantage	advantage; profit; gain
6	Old French	avant	beforehand; earlier
7	Latin	ab ante	in front, before
8	Latin	ante	before, in front, forwards; before; before,...
9	Ancient Greek	κλίσις	bending, inclination; a lying down; a place for...
10	Ancient Greek	-σῐς	"suffix forming nouns"
11	Ancient Greek	-τις	retained after dentals
12	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek κλίσις →