ῥάχις

Ancient Greek

Etymology

According to Beekes of Pre-Greek origin or related to Lithuanian ražis (“stubble”). Compare ῥαχός (rhakhós, “thorn hedge”).

Pronunciation

 

Noun

ῥάχῐς • (rhákhĭs) f (genitive ῥάχῐος or ῥάχεως); third declension

  1. chine, lower part of the back
  2. (anatomy) spine or backbone
  3. anything ridged like a backbone:
    1. ridge of a hill or mountain
    2. bridge of the nose
    3. (botany) midrib of a leaf
    4. sharp projection on the middle of the shoulder blade
    5. outer edge of the arm of the polypus

Inflection

Third declension of ἡ ῥᾰ́χῐς; τῆς ῥάχῐος (Attic)
Case / # Singular Dual Plural
Nominative ἡ ῥᾰ́χῐς
hē rhắkhĭs 		τὼ ῥᾰ́χει
tṑ rhắkhei 		αἱ ῥᾰ́χεις
hai rhắkheis
Genitive τῆς ῥάχῐος / ῥάχεως
tês rhákhĭos / rhákheōs 		τοῖν ῥᾰχέοιν
toîn rhăkhéoin 		τῶν ῥᾰ́χεων
tôn rhắkheōn
Dative τῇ ῥάχει / ῥάχῑ
tēî rhákhei / rhákhī 		τοῖν ῥᾰχέοιν
toîn rhăkhéoin 		ταῖς ῥᾰ́χεσῐ / ῥᾰ́χεσῐν
taîs rhắkhesĭ(n)
Accusative τὴν ῥᾰ́χῐν
tḕn rhắkhĭn 		τὼ ῥᾰ́χει
tṑ rhắkhei 		τᾱ̀ς ῥᾰ́χεις
tā̀s rhắkheis
Vocative ῥᾰ́χῐ
rhắkhĭ 		ῥᾰ́χει
rhắkhei 		ῥᾰ́χεις
rhắkheis
Notes:
  • This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Derived terms

  • ῥαχιαῖος (rhakhiaîos)
  • ῥαχίζω (rhakhízō)
  • ῥαχιστής (rhakhistḗs)
  • ῥαχιστός (rhakhistós)
  • ῥαχίτης (rhakhítēs)

Descendants

  • Greek: ράχη (ráchi)
  • → English: rachis
  • → Italian: rachide

Further reading

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