Not either; generally used to introduce the first of two or more coordinate clauses of which those that follow begin with
nor.
“Fight neither with small nor great, save only with the king.”
— 1 Kings xxii. 31.
“Hadst thou been firm and fixed in thy dissent,
Neither had I transgressed, nor thou with me.”
— Milton.
“When she put it on, she made me vow
That I should
neither sell, nor give, nor lose it.”
— Shak.