Product antonyms

What is the opposite word for Product?

• cause

  result or goods created
• resource

  result or goods created
• origin

  result or goods created
• loss

  result or goods created
• source

  result or goods created
• antecedent
• occasion
• reason
• commencement
• truth
• beginning
• start
• basis
• causation
• consideration
• determinant
• factor
• base
• foundation
• ground
• groundwork
• impetus
• incentive
• inspiration
• instigation
• stimulus
• mother
• root
• spring