According to Beekes, possibly from Proto-Indo-European *weh₁y- (“to twist, to twine”). Compare Ancient Greek ἰτέα (itéa, “willow”), Latin vītis (“vine”) and Proto-Germanic *wiþiz (“withe”).
οἶσος • (oîsos) m (genitive οἴσου); second declension
| Case / # | Singular | Dual | Plural | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominative | ὁ οἶσος ho oîsos |
τὼ οἴσω tṑ oísō |
οἱ οἶσοι hoi oîsoi | ||||||||||
| Genitive | τοῦ οἴσου toû oísou |
τοῖν οἴσοιν toîn oísoin |
τῶν οἴσων tôn oísōn | ||||||||||
| Dative | τῷ οἴσῳ tôi oísōi |
τοῖν οἴσοιν toîn oísoin |
τοῖς οἴσοις toîs oísois | ||||||||||
| Accusative | τὸν οἶσον tòn oîson |
τὼ οἴσω tṑ oísō |
τοὺς οἴσους toùs oísous | ||||||||||
| Vocative | οἶσε oîse |
οἴσω oísō |
οἶσοι oîsoi | ||||||||||
| Notes: |
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