'adequately-divided' originates from the combination of 'adequate' and 'divide', where 'adequate' comes from Latin 'adaequatus', meaning 'equalized', and 'divide' from Latin 'dividere', meaning 'to separate'.

'adequately-divided' combines the concepts of 'adequate' and 'divide', both of which have Latin origins, and has been used in modern English to describe a satisfactory division.

Initially, 'adequate' meant 'equalized', and 'divide' meant 'to separate'. Together, they evolved to mean 'sufficiently separated'.