English
laundry egg
From laundry + egg.
Proto-Indo-European *lewh₃- ‘to wash’
Latin lavandaria
Old French lavanderie
Middle English lavendrie ‘a part of a manor or a facility for washing…’
English laundry
Proto-Indo-European *h₂ōwyóm ‘egg’
Proto-Germanic *ajją ‘egg’
Old Norse egg ‘egg’
Middle English eg ‘egg of a domestic or wild fowl’
English egg
Today it means
noun An egg-shaped object used to clean clothes, using mineral pellets, as a substitute for laundry detergent.
Language periods are conventional ranges, not dates for this word.
Etymograph / laundry egg