Part of speech: Noun
living quarters consisting of a superstructure in the bow of a merchant ship where the crew is housed
Categories: Living quarters, Quarters
The word "forecastle" comes from Middle English forecastel. Many other languages have similar words:
fore – A related word in the same word family.
castle – A related word in the same word family.
Middle English had more flexible word order than Modern English because it retained more inflections.