Salary

Latin · 13th century (English) · 13th century

The most widely repeated origin story about the word salary is almost certainly wrong. Roman soldiers were not paid in salt. What is true is that the word for a fixed payment grew from the word for a substance so essential it became synonymous with value itself.

The Latin salarium was the neuter form of the adjective salarius, meaning "of or pertaining to salt," from sal (salt). The Online Etymology Dictionary traces the English word to the late thirteenth century, entering through Anglo-French salarie and Old French salaire. Lewis and Short's 1879 Latin Dictionary described salarium as originally meaning "salt-money, soldier's allowance for the purchase of salt," and this interpretation was copied across dictionaries for over a century.

Pliny the Elder, often cited as evidence for the salt-payment theory, wrote in his Natural History that salt played some undefined role in connection with military honors, "from which the word salarium is derived." Classicist Peter Gainsford, in a widely cited 2017 analysis, demonstrated that even Pliny, who was explicitly trying to link salarium to salt, did not claim that soldiers were paid in salt. The Oxford Latin Dictionary (1968) avoids speculation entirely, stating only that salarium derives from sal without explaining the mechanism.

The Greek word sitērion provides a parallel: it meant pay but derived etymologically from sitos, meaning wheat or grain. The analogy suggests that a connection to an essential commodity does not require literal payment in that commodity. Salt's value in the ancient world was real: it was essential for food preservation and was traded along routes like the Via Salaria, which connected Rome's salt pans to the interior. The Book of Ezra (550–450 BCE) uses receiving salt from a person as synonymous with drawing sustenance or being in that person's service.

By the nineteenth century, salary had narrowed to its current meaning: a fixed sum paid periodically for professional services, distinguished from wages (paid by the hour or piece) and fees (paid per task). The word that once carried the weight of salt's ancient importance had become an abstraction, a number on a paycheck. The phrase "worth your salt," which survives in everyday English, preserves the older connection between compensation and essential value.

Late 13th century

Salary entered English from Anglo-French salarie, derived from Latin salarium, a fixed payment connected to the word for salt.
1st century CE

Pliny the Elder wrote in his Natural History that salt was connected to military honors and the origin of the word salarium, without claiming soldiers were literally paid in salt.
2017

Classicist Peter Gainsford published a detailed analysis demonstrating that no ancient source supports the claim that Roman soldiers were paid in salt.