Security against loss or damage or for the fulfillment of an obligation, the payment of a debt, etc.;
a pledge, guaranty, or bond.
The state or quality of being sure (Dictionary.com).
Etymology (EN): M.E. surte, from M.Fr., from O.Fr. seurte “a promise, pledge, guarantee; assurance,
confidence;” from L. securitas “freedom from care or danger, safety,” from securus,
→ secure.