From σπεῖρα (speîra, “coil, wreath”) + -ῐ́ᾱ (-íā), because of the shape of its follicles.
σπειραίᾱ • (speiraíā) f (genitive σπειραίᾱς); first declension
| Case / # | Singular | Dual | Plural | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominative | ἡ σπειραίᾱ hē speiraíā |
τὼ σπειραίᾱ tṑ speiraíā |
αἱ σπειραῖαι hai speiraîai | ||||||||||
| Genitive | τῆς σπειραίᾱς tês speiraíās |
τοῖν σπειραίαιν toîn speiraíain |
τῶν σπειραιῶν tôn speiraiôn | ||||||||||
| Dative | τῇ σπειραίᾳ têi speiraíāi |
τοῖν σπειραίαιν toîn speiraíain |
ταῖς σπειραίαις taîs speiraíais | ||||||||||
| Accusative | τὴν σπειραίᾱν tḕn speiraíān |
τὼ σπειραίᾱ tṑ speiraíā |
τᾱ̀ς σπειραίᾱς tā̀s speiraíās | ||||||||||
| Vocative | σπειραίᾱ speiraíā |
σπειραίᾱ speiraíā |
σπειραῖαι speiraîai | ||||||||||
| Notes: |
| ||||||||||||