DictionaryRoot: -ique
French
-ique
connected with or characteristic of
Forms
- -ique
- -ic — The ending was respelled or shortened in many English borrowings.
Origin
French developed or borrowed this ending from Latin -icus and Greek -ikos.
Note
Some English words retain the French spelling rather than replacing it with -ic.
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adjective
acetic
uh-SET-ik/ʌsˈɛtɪk/
Relating to vinegar or the acid that gives it its sour taste.
Etymology
The pieces mean “pertaining to vinegar.” The vinegar word itself originally described wine turned sour, connecting the acid’s name with vinegar’s characteristic sourness.