Answer:

inca

Answer	Crossword Clue
INCA	Andean of old
INCA	Baby powders
INCA	Cuzco native of yore

INCA	Early Peruvian
INCA	Quechua speaker
INCA	South American
INCA	Machu Picchu resident
INCA	Native Peruvian
INCA	Past Peruvian
INCA	Peruvian of yore
INCA	Andes native

INCA	Cuzco Indian
INCA	Machu Picchu people
INCA	Peruvian
INCA	Peruvian native
INCA	People with mummies
INCA	People conquered by the Spanish and their smallpox
INCA	Cuzco builder
INCA	Early empire builder

INCA	Quipu maker
INCA	Ancient Peruvian
INCA	Bygone Peruvian
INCA	Quechuan people
INCA	Tupac Amaru, e.g.
INCA	Cuzco people
INCA	Ancient Andean
INCA	Cuzco denizen

INCA	Erstwhile Peruvian
INCA	Resister of Pizarro
INCA	Atahualpa, e.g.
INCA	Atahualpa, for one
INCA	Subject of Atahualpa
INCA	Pre-Columbian Peruvian
INCA	War of the Two Brothers combatant
INCA	Worshiper of Viracocha

INCA	Civilization that revered the coca plant
INCA	Machu Picchu builders
INCA	Pre-Columbian empire
INCA	Ancient empire builder
INCA	Ancient alpaca herder