pedico.

Widely considered to derive from Ancient Greek παιδῐκός (paidĭkós, “belonging to a (beloved) child”), which could be used as a noun with the sense "darling" or "favourite", often in the neuter plural form παιδικά (paidiká) (compare Latin dēliciae). Some notable sources that advocate for this etymology are Gerardus Vossius (Etymologicum Linguae Latinae, published 1662), and Ernout and Meillet (who account for the long ī by appealing to analogy with pudīcus (“chaste, pure, undefiled”) as an antonym, comparing dēpudīcō "dishonor, violate"). An alternative, less commonly accepted etymology (advocated for example by Bücheler 1858) derives the word instead from the same base as pōdex (“anus”) and pēdō (“to fart”). Keller 1891 suggests the word was in fact originally from παιδικά (paidiká), but came to have the form pēdīcō in ancient times by folk etymological association with pēdō.

Etymology tree ▲ Latin pēdīcō Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin pēdīcō From pēdīcō (“sodomize”) + -ō.