To begin to rule or govern; to initiate or establish authority.
From Greek 'en-' (in, into) + 'archein' (to rule, command). Related to 'arche' (rule, beginning) and 'monarch', 'anarchy'—Greek roots about governance and order.
The root 'arch-' (rule) shows up in monarchy, anarchy, and oligarchy—but 'enarch' reminds us it can also mean to *begin* ruling, making it about the moment power starts, not just who has it.
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