The word "colyer" is not commonly used in modern English, and does not have a standard dictionary entry. However, it is likely related to the word "collier" which refers to a coal miner or a person who works in a coal mine. The pronunciation of "colyer" would depend on regional dialects, but it could be transcribed as /ˈkɒljər/ with the stressed syllable being the second one. This shows that the word is made up of two syllables, with the vowel sound in the first syllable being an open-mid back rounded vowel.
The word "colyer" does not have a well-established etymology. It is believed to be derived from the Middle English word "colier", which meant a coal miner or charcoal burner. The root of the word may be traced back to the Old English word "col", meaning "coal". However, the specific origin and development of "colyer" is uncertain.