The spelling of the word "corbier" is determined by its pronunciation. In IPA phonetic transcription, it is pronounced as /ˈkɔːbiər/. The "o" in "corbier" is pronounced as "aw" sound, the "i" as "ee" sound, and the "e" at the end is silent. The "b" and "r" at the end make a consonant cluster sound, which is pronounced together. The word "corbier" refers to a type of medieval castle, specifically a rampart where soldiers could defend against attacks.
The word "corbier" is derived from the Old French term "corbel", which ultimately comes from the Latin word "corvellus". In medieval architecture, a corbel refers to a stone or wooden bracket that sticks out from a wall to support additional weight. Over time, the word "corbel" evolved to "corbier", which is also used to describe a similar architectural element.