Diem (noun) is a personal or place name used in proper nouns; in Latin slogans it appears in phrases like carpe diem meaning “seize the day.” It also appears as a surname or historical epithet in some contexts. In contemporary usage, it’s mainly encountered as a given name or in Latin-derived expressions, often invoking a moment or imperative sense of action. It’s typically pronounced with a light consonant onset and a clear long vowel, depending on language of origin.
Full pronunciation guide
