Hilario is typically spelled with five letters, h-i-l-a-r-i-o. In IPA phonetic transcription, this is [hɪˈlɑːriəʊ]. The first sound is a voiceless glottal fricative, followed by a short i sound, a stressed long a sound, and an r. The final sounds are a short i sound, an unstressed schwa, and an o. This name derives from the Latin word hilaris, meaning cheerful or merry, and is often used in Spanish-speaking cultures.
The word "Hilario" has Latin origins and is derived from the Latin name "Hilarius", which means "cheerful" or "merry". "Hilarius" itself is derived from the Latin word "hilaris", meaning "joyful" or "merry". This name eventually evolved into "Hilario" in certain languages, particularly in Spanish and Portuguese.