The symbol of the element that has not been derived from its Latin name is

Hydrogen is an element whose symbol has not been derived from its Latin name. 

Symbols are the methods to be used for the representation of anything. John Dalton derived a method of denoting elements and one atom of the element but that method was inconvenient to use as well as difficult to draw. 

The modern method of denoting the element uses the first alphabet or the first two alphabets of their English or Latin name.

The symbols of sodium, potassium, and lead are Na, K, and Pb, respectively, which are derived from their Latin names Natrium (Na), Kalium (K), and Plumbum (Pb).

Hydrogen is denoted by H, which is the first letter of its English name.