Free from flies; lacking flies or not subject to fly infestation.
Derived from 'fly' plus the suffix '-less' (from Old English 'leás,' meaning 'lacking'). This is a straightforward modern English formation using a productive suffix. The term emerged in the 20th century as hygiene became a marketing concern.
Flyless environments were a huge selling point for 1950s screen doors and window treatments—advertising promised 'flyless kitchens' as a symbol of modern cleanliness and progress! The concept connected pest control to respectability and housekeeping pride.
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