byproduct

Noun byproduct has 2 senses

• byproduct(n = noun.phenomenon) by-product - a secondary and sometimes unexpected consequence;
is a kind of consequence, effect, event, issue, outcome, result, upshot
has particulars: epiphenomenon

• byproduct(n = noun.artifact) by-product, spin-off - a product made during the manufacture of something else;
is a kind of product, production