noun (n)

• the time at which something is supposed to begin

  waktu di mana sesuatu yang seharusnya dimulai

  Synonym:
  beginning, commencement, first, get-go, kickoff, offset, showtime, start, starting time
  Antonym:
  middle
  

  source: wordnet30
• A setting out, starting, or beginning.

  yang menetapkan, mulai, atau awal.

  source: webster1913