proadverba is the neuter plural definite of proadverb.

proadverbN

Kven

proadverbiN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:14827Edit on GitHub Suggest

proadvearbaN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:114199Edit on GitHub Suggest

Case	Sg	Pl
Indef	proadverb	proadverb
Def	proadverbet	proadverba