DictionaryRoot: -ier
French
-ier
a person associated with an activity or thing
Forms
- -ier
- -er — Some English descendants shortened or respelled the ending.
Origin
French -ier developed from Latin -arius.
Note
It can name an occupation or another sustained association, depending on the base.
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noun
costumier
kahs-TOO-mee-ay/kɑːsˈtuːmieɪ/
A person or business that supplies theatrical costumes.
Etymology
The verb means to dress someone in a costume, and the ending identifies a person engaged in that work. The resulting occupation covers making or supplying the clothing, rather than simply wearing it.