Alex Bertolini is spelled /əˈlɛks bɛrtoʊˈliːni/. The first name, Alex, is spelled with a short vowel sound "/ə/" followed by the "l" and "k" sounds. The last name, Bertolini, is spelled with a letter "o" that is pronounced as a long "o" sound "/oʊ/", followed by the "l" and "n" sounds. The "i" in the name is pronounced as a long "e" sound "/iː/" and the stress falls on the third syllable "/ˈliːni/".
The word Alex Bertolini does not have an established etymology because it appears to be a proper name rather than a word with a specific origin and meaning. Proper names are typically derived from various sources including family lineage, cultural traditions, or personal choices. As such, it is unlikely that Alex Bertolini has a widely recognized etymology beyond being a combination of the given name Alex and the surname Bertolini.