Define etymology
The study of words and how they change over time
Defined broadening
Added meanings, but keeps its old meaning e.g. holiday - holyday (family outing, festival etc.)
Define narrowing
More specific e.g. meat - food(old) = pork, chicken, beef
Define amelioration
Acquires positive connotations e.g. pretty (cunning, devious)
Define pejoration
Acquires negative connotations e.g. Karen
Define weakening
Where a word loses its power e.g. lady
Define idioms
An expression, metaphor e.g. ‘under the weather’
Define euphemisms
Socially correct version of a word e.g. downsizing, collateral damage