From earlier Proto-Balto-Slavic *aśtmas, from Proto-Indo-European *oḱt-ṓwos (rendered as *h₃eḱth̥₃-wos in Derksen 2008) + a suffix *-mos extracted from *septmós (“seventh”).[1] Compare Sanskrit अष्टम (aṣṭama, “eighth”), Avestan 𐬀𐬯𐬙𐬆𐬨𐬀 (astəma, “eighth”), where the same process operated. Cognate with obsolete Lithuanian ãšmas (“eighth”), Old Prussian asmus (“eighth”) and partly with Latin octāvus (“eighth”) and Ancient Greek ὄγδοος (ógdoos, “eighth”).
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← 7 | 8 | 9 → |
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Cardinal: *osmь Ordinal: *osmъ Adverbial: *osmь kortь Multiplier: *osmerъnъ, *osmь kortьnъ Collective: *osmero Fractional: *osmina |
*òsmъ[2]
Accent paradigm b.
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *osmъ | *osma | *osmo |
genitive | *osma | *osmy | *osma |
dative | *osmu | *osmě | *osmu |
accusative | *osmъ | *osmǫ | *osmo |
instrumental | *osmomь | *osmojǫ | *osmomь |
locative | *osmě | *osmě | *osmě |
vocative | *osme | *osmo | *osmo |
dual | masculine | feminine | neuter |
nominative | *osma | *osmě | *osmě |
genitive | *osmu | *osmu | *osmu |
dative | *osmoma | *osmama | *osmoma |
accusative | *osma | *osmě | *osmě |
instrumental | *osmoma | *osmama | *osmoma |
locative | *osmu | *osmu | *osmu |
vocative | *osma | *osmě | *osmě |
plural | masculine | feminine | neuter |
nominative | *osmi | *osmy | *osma |
genitive | *osmъ | *osmъ | *osmъ |
dative | *osmomъ | *osmamъ | *osmomъ |
accusative | *osmy | *osmy | *osma |
instrumental | *osmy | *osmami | *osmy |
locative | *osměxъ | *osmaxъ | *osměxъ |
vocative | *osmi | *osmy | *osma |
singular | masculine | feminine | neuter |
---|---|---|---|
nominative | *osmъjь | *osmaja | *osmoje |
genitive | *osmajego | *osmyję̇ | *osmajego |
dative | *osmujemu | *osměji | *osmujemu |
accusative | *osmъjь | *osmǫjǫ | *osmoje |
instrumental | *osmyjimь | *osmǫjǫ | *osmyjimь |
locative | *osmějemь | *osměji | *osmějemь |
vocative | *osmъjь | *osmaja | *osmoje |
dual | masculine | feminine | neuter |
nominative | *osmaja | *osměji | *osměji |
genitive | *osmuju | *osmuju | *osmuju |
dative | *osmyjima | *osmyjima | *osmyjima |
accusative | *osmaja | *osměji | *osměji |
instrumental | *osmyjima | *osmyjima | *osmyjima |
locative | *osmuju | *osmuju | *osmuju |
vocative | *osmaja | *osměji | *osměji |
plural | masculine | feminine | neuter |
nominative | *osmiji | *osmyję̇ | *osmaja |
genitive | *osmъjixъ | *osmъjixъ | *osmъjixъ |
dative | *osmyjimъ | *osmyjimъ | *osmyjimъ |
accusative | *osmyję̇ | *osmyję̇ | *osmaja |
instrumental | *osmyjimi | *osmyjimi | *osmyjimi |
locative | *osmyjixъ | *osmyjixъ | *osmyjixъ |
vocative | *osmiji | *osmyję̇ | *osmaja |