He guested as a lay preacher on the Hour of Power and dabbled in talk radio as a fill-in for Boortz.
Then he went from the south, and guested under Raun on the south side of Hitriver.
Then Grettir heard that Kormak and his fellows were come from the south, and had guested at Tongue through the night.
So they rode on, and nought more befel that day, and they guested in a fair thorp in good enough welcome.
Iron-face smiled, and answered not; and so came they to the house wherein they were guested.
Old English gæst, giest (Anglian gest) "guest; enemy; stranger," the common notion being "stranger," from Proto-Germanic *gastiz (cf. Old Frisian jest, Dutch gast, German Gast, Gothic gasts "guest," originally "stranger"), from PIE root *ghosti- "strange" (cf. Latin hostis "enemy," hospes "host" -- from *hosti-potis "host, guest," originally "lord of strangers" -- Greek xenos "guest, host, stranger;" Old Church Slavonic gosti "guest, friend," gospodi "lord, master").
Spelling evolution influenced by Old Norse cognate gestr (the usual sound changes from the Old English word would have yielded Modern English *yest). Phrase be my guest in the sense of "go right ahead" first recorded 1955.