ἀποραφανίδωσις

English (LSJ)

-εως, ἡ, thrusting a small radish up one's anus; v. ῥαφανιδόω, Sch.Ar.Pl.168.

Spanish (DGE)

-εως, ἡ
introducción de un nabo por el culo castigo impuesto en Atenas a los adúlteros Tz.Comm.Ar.1.52.16.

German (Pape)

[Seite 321] ἡ, die Bestrafung des ertappten Ehebrechers durch Eintreibung eines Rettigs in den After, Schol. Ar. Plut. 168.

Greek (Liddell-Scott)

ἀπορᾰφᾰνίδωσις: -εως, ἡ, ἡ εἰς τὸν πρωκτὸν εἰσαγωγὴν ῥαφανῖδος, «αὕτη γὰρ ὥριστο δίκη τοῖς μοιχοῖς πένησιν», Σχόλ. εἰς Ἀριστοφ. Πλοῦτ. 168, ἴδε τὸ ῥῆμα ῥαφανιδόω.

Greek Monolingual

ἀποραφανίδωσις, η (Α)
εξευτελιστική τιμωρία των μοιχών με το να μπήγουν ραφανίδα στον πρωκτό τους.

Wikipedia EN

Rhaphanidosis is the act of inserting the root of a plant of the genus Raphanus (commonly known as a radish) into the anus. It is mentioned by Aristophanes as a punishment for adultery in Classical Athens in the fifth and fourth century BC. It is also allegedly a punishment for other sex-related crimes, such as promiscuity and sodomy. Later classical references to the punishment include Catullus 15 where percurrent raphanique mugilesque (both radishes and mullets will run you through) is threatened against those who cast lascivious eyes on the poet's boyfriend.

There is some doubt as to whether the punishment was ever enforced or whether the reference to it in the debate between Right and Wrong in The Clouds of Aristophanes should be understood as signifying public humiliation in general. However, Nigette Spikes has it that when enforced as a capital punishment, tubers so deposited were chosen to be as rough as possible so as to cause death by internal hemorrhaging.