## Meanings
1. A person who invites and looks after guests.
2. To act as the host of an event or for guests.
3. A person who introduces and runs a show or programme.
4. An animal or plant that another organism, such as a parasite, lives in or on.

## Examples
- A good host is always considerate of the guest's needs.
- Our company will host the annual conference this year.
- The host welcomed the audience and introduced the first act.
- Viruses depend on the host they infect in order to reproduce.

## Derived Forms
- co-host
- cohost
- dehost
- graft-versus-host
- hostable
- hostee
- hostel
- hoster
- hostess
- hostless
- hostmask
- hostmaster

## Related Forms
- compere
- event
- guest
- hospitable
- hospital
- hospitality
- hostage
- hotel

## Roots and Affixes
- Root: hoste
- Root: oste
- Root: hospitem
- Root: *gʰóstipotis

## Etymology
Etymology tree Proto-Indo-European *gʰóstis Proto-Indo-European *pótis Proto-Indo-European *gʰóstipotis Proto-Italic *hostipotis Latin hospes Old French ostebor. Middle English hoste English host From Middle English hoste, from Old French oste (French: hôte), from Latin hospitem, accusative of hospes (“a host, also a sojourner, visitor, guest; hence, a foreigner, a stranger”), from *hostipotis, an old compound of hostis and the root of potis, from Proto-Indo-European *gʰóstipotis (“master of guests”), from *gʰóstis (“stranger, guest, enemy”) and *pótis (“owner, master, host, husband”). Used in…

## AI Etymology
Host comes from Middle English hoste, from Old French oste (French: hôte), from Latin hospitem, accusative of hospes (“a host, also a sojourner, visitor, guest; hence, a foreigner, a stranger”), from *hostipotis, an old compound of hostis and the root of potis, from Proto-Indo-European *gʰóstipotis (“master of guests”), from *gʰóstis (“stranger, guest, enemy”) and *pótis (“owner, master, host, husband”). The historical chain runs through Proto-Indo-European *gʰóstis, Proto-Indo-European *pótis, Proto-Indo-European *gʰóstipotis, Proto-Italic *hostipotis, Latin hospes, Old French oste, Middle English hoste, and English host. In current use, the main senses are “A person who invites and looks after guests” and “To act as the host of an event or for guests”.

## Topics
- People & Society

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