- headquarters (n.)
- "residence of a military commander," 1640s, from head (adj.) + quarters. Headquarter as a verb is recorded from 1838 (in Headquartered).
- Rolex (n.)
- proprietary name of a make of watches, trademark reg. 1908 by German businessman Hans Wilsdorf, with Wilsdorf & Davis, London. Invented name. Company moved out of Britain 1912 for tax purposes and now is headquartered in Geneva.