mod
UK[mɒd]US[mɑːd]
n
A member of a group of stylish young people in the 1960s, noted for their smart clothes and their liking for soul music and motor scooters.
n
A style or fashion, especially one that is modern and popular for a short time.
n
A modification or customization, especially of a vehicle or piece of software.
Etymology
The term 'mod' is a shortening of 'modernist', which emerged in post-war Britain in the late 1950s. It was adopted by a youth subculture that defined itself through a self-conscious pursuit of modernity in fashion, music, and lifestyle, setting itself against the more traditional 'rockers'. The clipped form 'mod' efficiently captured the core identity of this group, and its meaning later broadened to denote any modern, fashionable style or a specific modification, particularly in the contexts of vehicles and technology.
Analysis
The word 'mod' is a clipped form, not composed of productive morphemes in its current usage. It originates from the word 'modernist'.
Examples
He dressed like a mod from the 1960s, in a sharp suit and parka.
The latest mod in smartphone design is a foldable screen.
He installed a performance mod on his car's engine.