Possibly from Proto-Indo-European *h₂eygʷʰ- + *-iskos;[1] for the root, compare Sanskrit अनेहस् (an-ehás, “flawless, unrivalled”) (< *n̥-h₂eygʷʰós).
Formerly often compared with Ancient Greek αἶσχος (aîskhos), but this hypothesis has largely been abandoned due to its formal difficulty.[2]
*aiwiskaz[1]
Strong declension | ||||||
---|---|---|---|---|---|---|
Case | Masculine | Feminine | Neuter | |||
Singular | Plural | Singular | Plural | Singular | Plural | |
Nominative | *aiwiskaz | *aiwiskai | *aiwiskō | *aiwiskôz | *aiwiską, -atō | *aiwiskō |
Accusative | *aiwiskanǭ | *aiwiskanz | *aiwiskǭ | *aiwiskōz | *aiwiską, -atō | *aiwiskō |
Genitive | *aiwiskas, -is | *aiwiskaizǫ̂ | *aiwiskaizōz | *aiwiskaizǫ̂ | *aiwiskas, -is | *aiwiskaizǫ̂ |
Dative | *aiwiskammai | *aiwiskaimaz | *aiwiskaizōi | *aiwiskaimaz | *aiwiskammai | *aiwiskaimaz |
Instrumental | *aiwiskanō | *aiwiskaimiz | *aiwiskaizō | *aiwiskaimiz | *aiwiskanō | *aiwiskaimiz |
Weak declension | ||||||
Case | Masculine | Feminine | Neuter | |||
Singular | Plural | Singular | Plural | Singular | Plural | |
Nominative | *aiwiskô | *aiwiskaniz | *aiwiskǭ | *aiwiskōniz | *aiwiskô | *aiwiskōnō |
Accusative | *aiwiskanų | *aiwiskanunz | *aiwiskōnų | *aiwiskōnunz | *aiwiskô | *aiwiskōnō |
Genitive | *aiwiskiniz | *aiwiskanǫ̂ | *aiwiskōniz | *aiwiskōnǫ̂ | *aiwiskiniz | *aiwiskanǫ̂ |
Dative | *aiwiskini | *aiwiskammaz | *aiwiskōni | *aiwiskōmaz | *aiwiskini | *aiwiskammaz |
Instrumental | *aiwiskinē | *aiwiskammiz | *aiwiskōnē | *aiwiskōmiz | *aiwiskinē | *aiwiskammiz |