| 1 | English | brook | To use; enjoy; have the full employment of; To... |
| 2 | Middle English | brouken | to use, enjoy |
| 3 | Old English | brūcan | to use, enjoy; to enjoy, brook, use, possess,... |
| 4 | Proto-West Germanic | brūkan | to use, to employ; to consume |
| 5 | Proto-Germanic | brūkaną | to make use of, employ, use, consume |
| 6 | Proto-Indo-European | bʰruHg- | to make use of; have enjoyment of |