Noun for the person who someone was named after

Is there a single word in Spanish that can be used as “namesake” in English in the sense of “the person who someone is named after”?

For instance, if I want to say that James Joyce’s character Dedalus lives up to his namesake, the mythological Daedalus, is there a word to refer to the latter?

It is not tocayo:

tocayo, ya

  1. m. y f. Respecto de una persona, otra que tiene su mismo nombre.

Nor is it an eponym:

epónimo, ma

Del gr. ἐπώνυμος epṓnymos.

  1. adj. cult. Dicho de una persona o de una cosa: Que tiene un nombre con el que se pasa a denominar un pueblo, una ciudad, una enfermedad, etc. U. t. c. s. m.

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