Learn Hardcore Latin: Ego habito in domo.

In Latin, the subject pronoun (like ego for “I”) is often optional because the verb ending (-o in habito) already indicates the person. However, including ego can add emphasis or clarity. It’s spelled out in this sentence to stress the subject “I.”

What does the form habito tell us?

Habito is the first-person singular present tense form of the verb habitare (“to live/inhabit”). This ending (-o) indicates “I” as the subject.

What is the function of in domo?

In domo means “in the house,” with in taking the ablative case (domo) to indicate location (where something happens). So it describes the place where the action of living takes place.

Could the sentence be written without ego?

Yes. In Latin, you can often omit the pronoun and just say Habito in domo. The meaning remains “I live in the house.” Using ego makes the subject explicit or emphatic.

Why not in domum instead of in domo?

In Latin, in with the accusative (like domum) can imply motion toward a place (“into the house”). Here, we need the sense of being in a place, so we use in with the ablative (domo).