According to Beekes, it may belong to νηρόν (nērón, “fresh water”) because of the characteristic property of this plant to follow the course of brooks.
νήρῐον • (nḗrĭon) n (genitive νηρίου); second declension
Case / # | Singular | Dual | Plural | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominative | τὸ νήρῐον tò nḗrĭon |
τὼ νηρῐ́ω tṑ nērĭ́ō |
τᾰ̀ νήρῐᾰ tằ nḗrĭă | ||||||||||
Genitive | τοῦ νηρῐ́ου toû nērĭ́ou |
τοῖν νηρῐ́οιν toîn nērĭ́oin |
τῶν νηρῐ́ων tôn nērĭ́ōn | ||||||||||
Dative | τῷ νηρῐ́ῳ tôi nērĭ́ōi |
τοῖν νηρῐ́οιν toîn nērĭ́oin |
τοῖς νηρῐ́οις toîs nērĭ́ois | ||||||||||
Accusative | τὸ νήρῐον tò nḗrĭon |
τὼ νηρῐ́ω tṑ nērĭ́ō |
τᾰ̀ νήρῐᾰ tằ nḗrĭă | ||||||||||
Vocative | νήρῐον nḗrĭon |
νηρῐ́ω nērĭ́ō |
νήρῐᾰ nḗrĭă | ||||||||||
Notes: |
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