mullassa is the singular inessive of multa.

multaN

Norwegian Bokmål

moldN; jordN

Kven – Norwegian Bokmåldict-fkv-nob/src/N_fkvnob.xml:46849Edit on GitHub Suggest

Case	Sg	Pl
Nom	multa	mullat
Gen	mullan	multtiin / multitten
Par	multtaa	multtii / multia
Ill	multhaan	multhiin
Ine	mullassa	multissa / mullissa
Ela	mullasta	multista / mullista
Ade	mullala	multila / mullila
Abl	mullalta	multilta / mullilta
All	mullalet / mullale	multilet / multile / mullilet / mullile
Abe	mullatta	multitta / mullitta
Ess	multana	multina
Tra	mullaksi	multiksi / mulliksi
Com		multine