silkestoffene is the neuter plural definite of silkestoff.

silkestoffN

North Sámi

silkestoffaN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:134646Edit on GitHub Suggest

Case	Sg	Pl
Indef	silkestoff	silkestoffer
Def	silkestoffet	silkestoffene