'chelicera' originates from New Latin, specifically the word 'chelicerae,' where 'cheli-' meant 'claw' and '-cera' meant 'horn.'

'chelicerae' changed from the New Latin word 'chelicerae' and eventually became the modern English word 'chelicerae'.

Initially, it meant 'claw horn,' but over time it evolved into its current meaning of 'appendages in arachnids.'