Etymology of the English word anilingus
the English word anilingus
using the English prefix ani-
derived from the English word anus
derived from the Latin word anus (fundament; old woman; hag; matron; old, aged; ring, circle, link; year; age)
derived from the English word cunnilingus
derived from the New Latin word cunnilingus (type of sexual perversion, practicing cunnilingus)
derived from the Latin word lingere (lick; lick up)
derived from the Proto-Indo-European root *leigh-
derived from the Latin word cunnus (female pudenda, external genitalia; a female)