Part of speech: Adjective (satellite)
consisting of or involving two parts or components usually in pairs
Example: an egg with a double yolk; a double (binary) star; double doors; dual controls for pilot and copilot; duple (or double) time consists of two (or a multiple of two) beats to a measure
The word "duple" comes from Latin duplus.
double – A related word in the same word family.
doppio – A related word in the same word family.
Roman military conquests permanently planted Latin vocabulary across three continents.