Uppercase and lowercase began as real printer’s cases. Capital and small letters were stored in different drawers for hand setting type.

Quarantine began as a word for a forty day waiting period. Here is how that meaning started and why the modern use is broader.

“Go.” can be a complete sentence. In commands, English often implies the subject “you,” so a single word can express a full thought.

Muscle comes from Latin musculus, meaning little mouse. The name reflects how flexing muscles seemed to move under the skin.

In Middle English, girl could mean any child. Writers sometimes clarified with phrases like knave girl for a boy and gay girl for a girl.