'antimony' originates from Old French, specifically the word 'antimoine', where Medieval Latin 'antimonium' referred to the element (origin ultimately uncertain).

'antimony' changed from Medieval Latin 'antimonium' and Old French 'antimoine' and eventually became the modern English word 'antimony' (plural formed regularly as 'antimonies').

Initially, the term referred to the metallurgical/medicinal substance known in antiquity; over time it became standardized as the name of the chemical element 'antimony' (Sb).