Demography word derived from

Where did demography came from?
Demographic ideas can be traced back to antiquity.
The term 'demography' comes from the Greek 'demos' meaning the common people of an ancient Greek state and all ancient civilizations developed a means of describing the people and composition of their societies..
Where is the word demography derived from?
The word demography comes from two ancient Greek words, demos, meaning "the people," and graphy, meaning "writing about or recording something" — so literally demography means "writing about the people." Like many branches of the sciences, demography began in the 19th century, when the general craze for cataloging .

Demography (from Ancient Greek δῆμος (dêmos) 'people, society', and -γραφία (-graphía) 'writing, drawing, description') is the statistical study of human populations: their size, composition (e.g., race, age), and how they change through the interplay of fertility (births), mortality (deaths), and migration.

Demography word derived from

Where did demography came from?

Where is the word demography derived from?