"Dormiol" is spelled using the IPA phonetic transcription as "dɔːmɪəl". The word "dormiol" refers to a hypnotic drug used for inducing sleep. The spelling of the word is based on its origin from the French word "dormir" meaning "to sleep". The "dorm" in "dormiol" is derived from this root word. The addition of "-iol" at the end of the word is a common suffix in pharmacology to indicate a type of medication. Overall, the spelling of "dormiol" accurately reflects its components and meaning.
Chloralamylene hydrate.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.