ξένος
xénos
“stranger, guest”
4 words in English grow from this root.
Pyroxene
Earthπῦρpŷr
“stranger to fire”
Xenia
Everydayξενίαxenía
“hospitality to strangers”
Xenophobia
Politicsξένοςxénos
“fear of strangers”
Xenophon
Politicsξένοςxénos
“stranger voice”