English
lenticular bracket
From lenticular + bracket, due to their resemblance to a lens.
A compound of lenticular + bracket
Latin lēns ‘lentil’
Latin lenticula ‘lentil’
Medieval Latin lenticulāris ‘lentil-shaped’
Middle English lenticular
English lenticular
Latin brāca ‘pants’
Old Occitan braga
Old French brague ‘knickers, britches’
Old French braguette ‘the opening in the fore part of a pair of…’
Middle English *braget
English bracket
Today it means
noun Either of a pair of symbols,【 】, generally used in Chinese and Japanese dictionaries to enclose headwords, and sometimes for other purposes.
Language periods are conventional ranges, not dates for this word.
Etymograph / lenticular bracket