queuing

The word 'queue' entered English from French in the late 15th century, where it originally meant 'tail'. The French term derived from the Latin 'cauda', also meaning tail. The semantic shift from 'tail' to 'a line of people or things' is a vivid metaphor, likening a line to the elongated form of an animal's tail. The addition of the '-ing' suffix, a productive verb-forming element from Old English, creates the form 'queuing', which denotes the continuous action of forming or waiting in such a line.

Structure: queue (line) + ing (verb suffix) - queue: From French, ultimately from Latin 'cauda' (tail). In this word, it functions as the base meaning 'a line'. - ing: From Old English '-ende', '-unge', a suffix used to form the present participle or gerund of verbs.