This is the 79th most frequent Italian word.
lo
"Lo" is the Italian definite article meaning "the," used before masculine singular nouns starting with certain consonants (e.g., s+consonant, z, ps, gn).
Here, 'lo' means 'him', functioning as a direct object pronoun referring to a masculine noun.
Lo vedo ogni mattina.
I see him every morning.
Here, 'lo' is the definite article for singular masculine nouns starting with 'z' or a consonant cluster, equivalent to 'the' in English.
Lo zucchero è finito.
The sugar is finished.
Here, 'lo' means 'it', functioning as a direct object pronoun referring to an unspecified concept or action.