brainstormer

From brainstorm + -er.

1. 01
   derived from *(s)twerH-✻ — “to agitate, stir up; to propel; to urge on”
2. 02
   derived from *sturmaz✻ — “storm”
3. 03
   inherited from *sturm✻ — “storm”
4. 04
   derived from storm — “tempest, storm; attack; storm of arrows; disquiet, disturbance, tumult, uproar; onrush, rush”
5. 05
   inherited from storm — “disturbed state of the atmosphere; heavy precipitation; battle, conflict; attack”
6. 06
   compounded as brainstorm — “brain + storm”
7. 07
   suffixed as brainstormer — “brainstorm + er”