1890, Joseph Jacobs, "The Red Ettin" in English Folk and Fairy Tales, New York: G.P. Putnam's Sons, 3rd edition, no date, p. 138, https://archive.org/details/englishfairytale00jacouoft He asked the wife if he might stay for the night, as he was tired with a long journey; and the wife said he might, but it was not a good place for him to be in, as it belonged to the Red Ettin, who was a very terrible beast, with three heads, that spared no living man it could get hold of.
Source: wiktionary