Long (adjective)

1. Having great length.
2. Having a specified length.
3. Having a duration or extent.
4. Having a particular aspect or appearance.

Origin:

Old english 'lang' meaning long, from proto-germanic 'langaz' meaning long.

Examples:

1. She has long hair.
2. The book is long and boring.
3. It's been a long day.
4. He has a long memory.
5. The journey was long and tiring.