anus

peräaukko puhekieltä The lower orifice of the alimentary canal, through which feces and flatus are ejected.
puhekieltä (l)
(l)
a ring
an (l)
old woman, crone
11th to 13th century, s:Carmina_BuranaIn_taberna_quando_sumus_.28When_we_are_in_the_tavern.29 In taberna quando sumus, from Carmina Burana:

… bibit soror, bibit frater, / bibit anus, bibit mater, …

(… the sister drinks, the brother drinks, / the old lady drinks, the mother drinks, …)