Tsorovan'm'hael
From Tar Valon Library
A similar entry appears in the Wheel of Time Companion confirming the information available in the main story arc.
Translated from the Old Toungue, it means Storm Leader. It is a title Charl Gedwyn, an Asha'man, had given himsef (The Path of Daggers, Chapter 21)
See more: Asha'man
