Meanings (ES + gloss)
eludir
To evade or escape from (someone or something), especially by using cunning or skill.
The line continued in operation until about 1908, but the precise date of closure has eluded research.
Thus the observation of human blindness and weakness is the result of all philosophy, and meets us at every turn, in spite of our endeavours to elude or avoid it.
estar olvidado • olvidársele
To escape someone's memory, to slip someone's mind.
The solution of that brainteaser eludes me and the name of the author eludes my memory too.