flea
UK[fliː]US[fliː]
n
a very small jumping insect without wings that feeds on the blood of animals and humans.
Etymology
the word 'flea' descends directly from the old english 'flēa' or 'flēah', which has cognates across germanic languages, such as old high german 'flōh' and old norse 'fló'. these all trace back to the proto-germanic root 'flauh-', believed to be derived from the proto-indo-European root 'plou-', meaning 'to flee, flow, or swim'. this etymological connection likely reflects the insect's swift, jumping movement, as if fleeing or leaping away. the word's form and meaning have remained remarkably stable for over a millennium, representing a classic example of a preserved germanic simplex word for a common pest.
Analysis
the entire word 'flea' functions as a simplex, unanalyzable into smaller meaningful parts within modern english spelling. it is a noun-forming root of old english origin.
Examples
the dog scratched constantly because it had fleas.
a flea market is a great place to find unusual second-hand items.
the flea can jump distances many times its own body length.