The word "coaler" is spelled with the letters C-O-A-L-E-R. The IPA phonetic transcription for this word is /ˈkəʊlər/. The first syllable is pronounced with the "oh" sound as in "goat" or "boat". The second syllable is pronounced with a short "u" sound as in "cut" or "sun". The final syllable has a neutral vowel sound as in "her" or "better". "Coaler" is a noun used to refer to a ship that transports coal or a person who works on such a ship.
The word "coaler" is derived from the noun "coal", which refers to a black or brownish-black sedimentary rock that is primarily composed of carbon. "Coal" comes from the Old English word "col", which can be traced back to the Proto-Germanic word "kula". This Proto-Germanic term likely originated from the Proto-Indo-European root word "*g(h)el-", meaning "to shine" or "to burn". Over time, the term "coaler" was coined to refer to a person or thing related to coal, such as a coal miner or a ship used for transporting coal.