"Mirelez" is a Spanish surname pronounced as "mee-reh-lez" in IPA phonetic transcription. The word originates from the Basque language, where "mi" means "my" and "relez" means "footprints." The spelling of this word follows the Spanish orthography, where "i" is pronounced as "ee," and "e" is pronounced as "eh." The "z" at the end is also unique to Spanish surnames and is pronounced as "th" or "s." Overall, the spelling of "Mirelez" accurately represents the pronunciation of this typical Basque surname.