Maybe from í (“in”) + miss (“alternation”). In this case ý would be from umlauted í in dative ýmsum.[1]
ýmiss (not comparable)
Declension may be with or without contraction with or without vowel shortening. Also there are irregular forms in the neuter nominative and accusative plurals.
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | ýmiss | ýmiss | ýmist |
accusative | ýmissan, ýmsan, ymsan | ýmissa, ýmsa, ymsa | ýmist |
dative | ýmissum, ýmsum, ymsum | ýmissi | ýmissu, ýmsu, ymsu |
genitive | ýmiss | ýmissar | ýmiss |
plural | masculine | feminine | neuter |
nominative | ýmissir, ýmsir, ymsir | ýmissar, ýmsar, ymsar | ýmis, ýmsi, ýms |
accusative | ýmissa, ýmsa, ymsa | ýmissar, ýmsar, ymsar | ýmis, ýmsi, ýms |
dative | ýmissum, ýmsum, ymsum | ýmissum, ýmsum, ymsum | ýmissum, ýmsum, ymsum |
genitive | ýmissa | ýmissa | ýmissa |
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | ýmissi, ýmsi, ymsi | ýmissa, ýmsa, ymsa | ýmissa, ýmsa, ymsa |
accusative | ýmissa, ýmsa, ymsa | ýmissu, ýmsu, ymsu | ýmissa, ýmsa, ymsa |
dative | ýmissa, ýmsa, ymsa | ýmissu, ýmsu, ymsu | ýmissa, ýmsa, ymsa |
genitive | ýmissa, ýmsa, ymsa | ýmissu, ýmsu, ymsu | ýmissa, ýmsa, ymsa |
plural | masculine | feminine | neuter |
nominative | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu |
accusative | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu |
dative | ýmissum, ýmsum, ymsum | ýmissum, ýmsum, ymsum | ýmissum, ýmsum, ymsum |
genitive | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu | ýmissu, ýmsu, ymsu |