Forty
Forty (fôr"ty) , adjective
[Old English forti, fourti, fowerti, Anglo-Saxon feówertig; feówer four + suff. -tig ten; akin to Old Saxon fiwartig, fiartig, Dutch veertig, German vierzig, Icelandic fjorutīu, Swedish fyratio, Danish fyrretyve, Gothic fidwōr tigjus. See Four, and Ten, and compare Fourteen.]
Four times ten; thirty-nine and one more.
Forty (-tiz) , noun
1.
The sum of four tens; forty units or objects.
2.
A symbol expressing forty units; as, 40, or xl.