shining

the verb 'shine' originates from the old english 'scīnan', meaning to emit light, be radiant. this old english term descends from the proto-germanic 'skīnaną', which carries the same meaning. the proto-germanic root is further traced back to the proto-indo-european root '(s)ḱeh₁y-', meaning to gleam, shimmer, or shine. the '-ing' suffix, from old english '-ende', marks the present participle, which in this case functions adjectivally to describe the state or quality of emitting light, evolving from a literal description of light to also signify metaphorical brilliance.

the word is a present participle/adjective derived from the verb 'shine'. it is not productively formed from smaller, independent morphemes in modern english.