Caput

Latin-English

căp|ŭt, -ĭtis. (ˈka.put) neut.

1. Head.
2. The highest or furthest part of any thing, as, the source of a river (or, more rarely, its mouth); the root of a plant, the branches of a vine, or the upper part of a tree.
3. By metonymy, a single person or animal (as we say, five dollars a head).
4. As representing the life of something.
5. A leader, or head of a group, company, nation.
6. A chief or capital city.

[Proto-Indo-European *kaput-.]