| 1 | Middle English | galen | to cry out |
| 2 | Old English | galan | to sing; enchant; to cry, call, scream; to cast... |
| 3 | Proto-West Germanic | galan | to sing |
| 4 | Proto-Germanic | galaną | to shout, yell; to charm, sing |
| 5 | Proto-Indo-European | ǵʰel- | to shine, glimmer, glow; to shimmer, gleam;... |