Ursprungo- + viss. Compare Old Norse úvíss.
Formermer oviss(comparative) · mest oviss(superlative) · oviss(error-unrecognized-form, indefinite, positive) · mer oviss(comparative, error-unrecognized-form, indefinite) · mest oviss(error-unrecognized-form, indefinite, superlative) · ovisst(indefinite, neuter, positive, singular) · mer ovisst(comparative, indefinite, neuter, singular) · mest ovisst(indefinite, neuter, singular, superlative) · ovissa(indefinite, plural, positive) · mer ovissa(comparative, indefinite, plural) · mest ovissa(indefinite, plural, superlative) · ovisse(archaic, indefinite, masculine, plural, positive) · mer ovissa(archaic, comparative, indefinite, masculine, plural) · mest ovissa(archaic, indefinite, masculine, plural, superlative) · ovisse(definite, masculine, positive, singular) · mer ovisse(comparative, definite, masculine, singular) · mest ovisse(definite, masculine, singular, superlative) · ovissa(definite, error-unrecognized-form, positive) · mer ovissa(comparative, definite, error-unrecognized-form) · mest ovissa(definite, error-unrecognized-form, superlative)