Do you know ghouls from goblins and ghosts?
1690s, hossen gossen, said to have been British soldiers' mangled Englishing of the Arabic cry they heard at Muharram processions in India, Ya Hasan! Ya Husayn! ("O Hassan! O Husain!"), mourning two grandsons of the Prophet who died fighting for the faith. Title of Yule & Burnell's 1886 glossary of Anglo-Indian words, and taken by linguists in naming the law of Hobson-Jobson, describing the effort to bring a new and strange word into harmony with the language.