genesis

1. The coming into being of something; the origin. See synonyms at beginning.
2. Genesis (Abbr. Gen. or Gn) A book of the Bible.

[Latin, from Greek.]

noun

The initial stage of a developmental process: beginning, birth, commencement, dawn, inception, nascence, nascency, onset, opening, origin, outset, spring, start. See start/end.

Definition: beginning, creation
Antonyms: conclusion, end, finale, finish

Creation; origination; used as a word termination joined to an element indicating the thing created, e.g. carcinogenesis.