porno

The term 'porno' is a mid-20th century abbreviation of the noun 'pornography'. 'Pornography' itself originates from the Greek 'pornographos', meaning 'writing about prostitutes', a compound of 'pornē' (prostitute) and '-graphos' (writing, from 'graphein', to write). The Greek 'pornē' is believed to derive from 'pernēmi' (to sell), indicating a person sold or engaged in transactional sex. The clipped form 'porno' emerged as a colloquial shorthand, shedding the original compositional elements to function as a simplex noun. It reflects a linguistic process where a longer, classical compound is truncated for casual, direct reference to the modern concept of explicit sexual material.

The word is a modern clipping and is not productively segmented into meaningful morphemes in contemporary English.