chainsaw
UK[ˈtʃeɪn.sɔː]US[ˈtʃeɪn.sɑː]
n
A power tool consisting of a set of teeth attached to a rotating chain driven by a motor, used for cutting wood.
Morpheme Breakdown
chain
saw
chain
linked series
saw
cutting tool
Etymology
The word 'chainsaw' is a transparent Modern English compound, formed by directly combining two ancient nouns. 'Saw' descends from a robust Proto-Germanic root meaning 'to cut,' which gave rise to cutting tools across Germanic languages. 'Chain' traces back to Latin catena, meaning a connected series of metal links. The compound logically describes the tool's defining innovation: a cutting apparatus where the teeth are mounted on a continuously rotating chain, replacing the traditional solid blade. This literal combination of 'chain' and 'saw' efficiently names the machine by its most distinctive mechanical component.
Analysis
Structure: chain (linked series) + saw (cutting tool)
- chain: From Old French chaeine, from Latin catena (chain, fetter). Functions as a descriptive noun specifying the tool's mechanism.
- saw: From Old English sagu or saga (a cutting tool), from Proto-Germanic sagō. Functions as the core noun denoting the type of tool.
Examples
The logger used a chainsaw to fell the large pine tree.
Always wear protective gear when operating a chainsaw.
The sound of a chainsaw echoed through the forest.