from first to last: from beginning to end, throughout. Also †from the first to the last (obsolete).

From the beginning; from the creation of the world; from the conception (of an idea, plan, etc.).

From the very beginning. Cf. ab initio, adv.

From the beginning.

colloquial (originally U.S.). from the word go: from the start, from the very beginning.

Phrases. all of a jump (originally U.S.), in a jumpy or nervous state; (at a) full jump (U.S.), at full speed; at one jump (U.S.), in one go; at the…

The outset; the very beginning. Chiefly in from the get-go.

from (also since) day dot and variants: from the very beginning; since something first began.