"Form of Legacy"
The name Legaci is commonly a unisex name from the "English" origin.
Legaci is a respelling of Legacy, the English word name taken directly from the ordinary noun for an inheritance or something handed down from the past. That noun entered English from Old French legacie and goes back to Latin legatum, a bequest. The spelling Legaci changes only the final letter, keeping the pronunciation and adding no separate meaning.
The pronunciation of Legaci is LEG-uh-see.