tie-in

Etymology
From tie + in.

Noun

 * 1) Something that is related or connected to another thing.
 * 2) An authorized product based on a media property, such as a film or video game, by way of cross-promotion.
 * 3) An association or connection between things.
 * 1) An association or connection between things.
 * 1) An association or connection between things.

Translations

 * German: Verbundprodukt, angeknüpftes Produkt, Zusatzprodukt,, Tie-in