xeno-, xen-, -xenic, -xenism, -xenist, -xenous, -xeny

(Greek: foreign, foreigner; alien; different; extraneous; strange, stranger; and by extension, guest)

The "x" in xeno- is pronounced "z"; "zeno". Greeks are said to have considered any stranger a "guest" and modern Greek includes xenodocheion a "guest house" or "house for guests" or its modern version of "hotel".

The etymological meaning usually denotes some aspect of a relationship involving guests or visitors of some kind.

xenagogy (s) (noun), xenagogies (pl)
The name of a guide-book for foreigners; a sight-seeing book: The xenagogy that the visitors got at the travel agency included a street map, and was very helpful in explaining all the interesting and historical points in the city.
xeniaphobia (s) (noun), xeniaphobias (pl)
A dread of foreign doctors: The xeniaphobia is not caused so much because of their inadequate medical skills but more from their insufficient knowledge of the English language.
xeniatrophobia (s) (noun), xeniatrophobias (pl)
An abnormal fear of foreign doctors: While Shareen was traveling in Africa with her husband, her xeniatrophobia kept her from going to a local physician for treatment of the stomach ache which she was experiencing.
Hospitality (cordial and generous treatment) in ant colonies.
A scientist who speculates on the biology of alien life forms.

A xenobiologist is usually a human doctor, or biologist, who is an expert regarding the physiology of alien organisms and life forms.

A form of symbiosis among ants in which two colonies of different species live together on friendly terms without rearing their broods in common.
1. A pharmacologically, endocrinologically, or toxicologically active substance not endogenously produced and therefore foreign to an organism.
2. A foreign organic chemical; a reference to environmental pollutants; such as, pesticides in runoff water.
xenocracy (s) (noun), xenocracies (pl)
A ruling body of foreigners: In the story, Naomi read about a group of people from different nations arriving at an island by boat and who thought that they needed to set up some kind of government called xenocracy in which one person was chosen from each nation to establish the guidelines they needed for living in peace with each other.
xenocurrency (s) (noun), xenocurrencies (pl)
Money from one country that is circulated or traded in another country; foreign money: U.S. money is probably the most common xenocurrency that exists in the world.

Related "foreign, strange" word families: allotrio-; barbar-.