tjuvjoen is the masculine singular definite of tjuvjo.

tjuvjoN

Kven

haskeliN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:86126Edit on GitHub Suggest

Case	Sg	Pl
Indef	tjuvjo	tjuvjoer
Def	tjuvjoen	tjuvjoene