Where does “felatriz” come from?

felatriz (Spanish) comes from Portuguese -triz, from Latin -trīx, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “felatriz”, step by step

Step	Language	Word	Meaning
1	Portuguese	-triz	female equivalent of -dor; female equivalent of...
2	Latin	-trīx	ess, -ress, -trix
3	Latin	calx	limestone; chalk; the finish line
4	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble