The word "Mailloux" is pronounced as \maɪlu\, with stress on the first syllable. It is a French surname that follows the traditional French spelling rule that 'ill' in the middle of a word is pronounced as a single 'ee' sound. The 'oux' ending is also common in French surnames and is pronounced as 'oo'. Therefore, the spelling of "Mailloux" follows the phonetics of the French language, where each letter generally represents a specific sound.