Webster's Revised Unabridged Dictionary · 1913

Inchoation

Inchoation , noun

[Latin inchoatio, incohatio.]

Act of beginning; commencement; inception.
The setting on foot some of those arts, in those parts, would be looked on as the first inchoation of them. — Sir M. Hale
It is now in actual progress, from the rudest inchoation to the most elaborate finishing. — I. Taylor