by-product

1. Something made incidentally during the production of something else.

   a product made during the manufacture of something else

2. A consequence, especially a side effect.

   The many Indian restaurants all over Britain are a by-product of the large waves of immigration from the subcontinent.

   Nebenwirkung

   побо́чный эффе́ктpobóčnyj effékt

   a secondary and sometimes unexpected consequence

regular

• byproductalternative
• bye-productalternative