shiny

the word 'shiny' is a native english formation. its core, 'shine', originates from the old english verb 'scīnan', meaning 'to emit light, be radiant', which has germanic roots traceable to the proto-germanic 'skīnaną' and further back to the proto-indo-european root 'skey-', meaning 'to cut, split, or shine'. the adjectival suffix '-y', from old english '-ig', is a highly productive suffix used to form adjectives meaning 'characterized by' or 'full of'. therefore, 'shiny' literally means 'full of shine' or 'characterized by shining', a meaning that has remained consistent from its literal sense of reflecting light to its modern figurative use describing something superficially bright or attractive.

the word is a simplex adjective formed from the root 'shine' with the addition of the adjectival suffix '-y'.