noun, masculine/su/plural: sous
sou (old French coin); money; cash; cent (one hundredth of a dollar)
“Tu peux me prêter des sous ?” — Can you lend me some cash?
Inherited from Old French, inherited from Late Latin soldus, from Latin solidus. Doublet of solide. See also the form sol, which kept the historical spelling from Old French, even if it came to be pronounced like sou.