Since Fernanda created a copy of angle CAB and labeled it as angle DE, the measure of angle DE is equal to the measure of angle CAB.
Given that Fernanda measured angle DE to be 59°, we can conclude that:
\[ \text{measure of angle } CAB = \text{measure of angle } DE = 59° \]
Therefore, the measure of the original angle \( LC , AB \) that Fernanda constructed is \( 59° \).