TIL: The word salary comes from the Roman custom of paying soldiers in Gaul and Germania in salt (sal in Latin).

https://www.saturdayeveningpost.com/2019/10/in-a-word-salary-are-you-worth-your-salt/

https://www.reddit.com/r/todayilearned/comments/15jy9ul/til_the_word_salary_comes_from_the_roman_custom/