What is the meaning of Relapso?

returning to paganism after embracing Christianity

returning to heretic doctrines after having renounced them

one who returns to paganism after embracing Christianity

one who returns to heretic doctrines after having renounced them

dative/ablative masculine/neuter singular of relāpsus

relapse (the act of relapsing: returning a previous, worse state)

returning to sin after repenting

Source: wiktionary.org