Quadruple
/ˈkwɒdruːpəl/noun
Consisting of four parts or multiplied by four.
Did you know?The word comes through Latin from the same ancient root that gave us “tetrad” and “quadrant,” tying everyday multiplication to one of humanity’s oldest sacred numbers: four.
Etymological Timeline
Proto-Indo-European
PIE
*kʷetwóres
“four”
Latin
Latin
quadruplus
“fourfold, four times as much”
Late Latin
Latin
quadruplum
“a fourfold amount”
Middle French
Old French
quadruple
“fourfold”
16th Century
English
quadruple
“fourfold; multiplied by four”
Modern English
English
quadruple
“consisting of four parts or times four”