From Proto-Indo-European *ḱerdʰ- (“herd”), like Proto-Germanic *herdō (“herd”), Proto-Slavic *čerda (“file, herd”) and Sanskrit शर्धस् (śardhas, “multitude, troop”). Connection of Welsh cordd (“group”) is less probable, as this may also derive from Proto-Celtic *koryos (“troop, tribe”).
κόρθῠς • (kórthŭs) f (genitive κόρθῠος); third declension
| Case / # | Singular | Dual | Plural | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominative | ἡ κόρθῠς hē kórthŭs |
τὼ κόρθῠε tṑ kórthŭe |
αἱ κόρθῠες hai kórthŭes | ||||||||||
| Genitive | τῆς κόρθῠος tês kórthŭos |
τοῖν κορθῠ́οιν toîn korthŭ́oin |
τῶν κορθῠ́ων tôn korthŭ́ōn | ||||||||||
| Dative | τῇ κόρθῠῐ̈ / κόρθυι têi kórthŭĭ̈ / kórthui |
τοῖν κορθῠ́οιν toîn korthŭ́oin |
ταῖς κόρθῠσῐ / κόρθῠσῐν taîs kórthŭsĭ(n) | ||||||||||
| Accusative | τὴν κόρθῠν tḕn kórthŭn |
τὼ κόρθῠε tṑ kórthŭe |
τᾱ̀ς κόρθῡς / κόρθῠᾰς tā̀s kórthūs / kórthŭăs | ||||||||||
| Vocative | κόρθῠ kórthŭ |
κόρθῠε kórthŭe |
κόρθῠες kórthŭes | ||||||||||
| Notes: |
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