Host Means a Welcomer, an Enemy and a Crowd

A host receives guests. The same Latin root produced words for both hospitality and hostility.

A host is someone who receives guests, and also a large number of people or things. Latin *hospes* meant both a host and a guest โ€” the relationship ran both ways โ€” and the related *hostis* meant a stranger, then an enemy. From one root English got *hospitality* and *hostility*, *hotel* and *hostile*. A *host* of angels is a third sense, from Latin *hostia*, an army, and a biological host carries a parasite.

Word forms

FormWordExample
NounhostA host.
PluralhostsHosts.
VerbhostHosting.
FemininehostessA hostess.
LatinhospesA host or guest.

The stranger family

Latin *hospes*, a host or guest, related to *hostis*, a stranger or enemy.

How can one root give hospitality and hostility?

Because both begin with a stranger. Treat one well and it is hospitality; treat one as a threat and it is hostility.

Are hospital and hotel the same word?

Yes, arriving by different routes. A hospital was originally a place of hospitality for travellers and the sick.

Sources

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More 4-letter words