'desorb' originates from the prefix 'de-' meaning 'removal' and the root 'sorb' from Latin 'sorbere' meaning 'to suck in'.

'sorbere' transformed into the English word 'sorb', and with the addition of the prefix 'de-', it became 'desorb'.

Initially, it meant 'to remove by sucking out', but over time it evolved into its current meaning of 'to release a substance that has been absorbed or adsorbed'.