flisen is the masculine singular definite of flis.

flisN

North Sámi

soađisN; smáhkkuN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:79066Edit on GitHub Suggest

Case	Sg	Pl
Indef	flis	fliser
Def	flisen / flisa	flisene