Division of labour means the separation of the work process into a number of tasks, with each task performed by a separate person or group of persons.  So when we say there is a sexual (or gender)  division of labour is when different tasks done by men and women.

Sources: https://www.britannica.com/topic/division-of-labour and https://en.wikipedia.org/wiki/Sexual_division_of_labour

 

Division du travail – Comment le travail est séparé entre les membres d’une société ou d’un groupe.

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