rainstorm
UK[ˈreɪn.stɔːm]US[ˈreɪn.stɔːrm]
n
a storm with very heavy rain, often with strong winds
Morpheme Breakdown
rain
storm
rain
water falling in drops
storm
violent weather
Etymology
the word 'rainstorm' is a transparent compound formed from two old english words of germanic origin. 'rain' descends from proto-germanic regna-, while 'storm' comes from proto-germanic sturmaz, meaning a tumult or violent weather. the compound logically combines these elements to denote a specific type of storm characterized by heavy precipitation. this straightforward compounding reflects the analytic nature of english, where two familiar, concrete concepts are joined to create a precise, descriptive term for a natural phenomenon.
Analysis
Structure: rain (water falling in drops) + storm (violent weather)
rain (old english regn, of germanic origin, meaning "rain"); storm (old english storm, of germanic origin, meaning "a violent disturbance of the atmosphere")
Examples
the sudden rainstorm flooded the streets within minutes.
we had to cancel the picnic because of the forecasted rainstorm.
driving became dangerous during the intense rainstorm.