Traditionally considered a metathesis from Proto-Indo-European *dʰewb- (“hazy, deep”), with cognates including Old Church Slavonic дъно (dŭno), Old English dēop (English deep) and Albanian det (from Proto-Albanian *deubeta). (Can this(+) etymology be sourced?) Unrelated to βᾰθῠ́ς (bathús, “deep, thick, profound”) and βένθος (bénthos, “sea depth”), despite similar semantics and superficially similar phonetics.
Alternately, cognate to Sanskrit गाध (gādha, “bottom, ford, shallows, standing-ground in water”).
Also compare the root Proto-Indo-European *bʰew- with meaning related to swelling, as in a deepening.
However, Beekes rejects Indo-European origin, based on phonetic difficulties with theories like the above, as well as θ/σσ variation displayed by the word's variant βυσσός (bussós) which is bolstered by the latter's substrate-like formation βυσσαλ- (bussal-), and assigns it to Pre-Greek instead.[1]
βῠθός • (buthós) m (genitive βῠθοῦ); second declension
Case / # | Singular | Dual | Plural | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominative | ὁ βῠθός ho buthós |
τὼ βῠθώ tṑ buthṓ |
οἱ βῠθοί hoi buthoí | ||||||||||
Genitive | τοῦ βῠθοῦ toû buthoû |
τοῖν βῠθοῖν toîn buthoîn |
τῶν βῠθῶν tôn buthôn | ||||||||||
Dative | τῷ βῠθῷ tôi buthôi |
τοῖν βῠθοῖν toîn buthoîn |
τοῖς βῠθοῖς toîs buthoîs | ||||||||||
Accusative | τὸν βῠθόν tòn buthón |
τὼ βῠθώ tṑ buthṓ |
τοὺς βῠθούς toùs buthoús | ||||||||||
Vocative | βῠθέ buthé |
βῠθώ buthṓ |
βῠθοί buthoí | ||||||||||
Notes: |
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Inherited from Ancient Greek βυθός (buthós).
βυθός • (vythós) m (plural βυθοί)
singular | plural | |
---|---|---|
nominative | βυθός (vythós) | βυθοί (vythoí) |
genitive | βυθού (vythoú) | βυθών (vythón) |
accusative | βυθό (vythó) | βυθούς (vythoús) |
vocative | βυθέ (vythé) | βυθοί (vythoí) |