IPA: /əˈsiːtəm/
KK: /əˈsiːtəm/
A type of vinegar, which is a sour liquid made from fermented alcohol and contains acetic acid.
The chef used acetum to enhance the flavor of the salad dressing.
Acetum is derived from Latin 'acetum' (meaning vinegar or sour), which is related to 'acer' (meaning sharp or sour). The word refers to a sour liquid, specifically vinegar, which has a sharp taste.
Think of the Latin word for sour, 'acer', to remember that 'acetum' refers to something sour, like vinegar.