ոստ

• (Eastern Armenian) IPA^(key): /vost/,
• (Western Armenian) IPA^(key): /vosd/,

From Old Armenian ոստ (ost).

ոստ • (ost)

1. branch, bough

• ճյուղ (čyuġ)

See Old Armenian ոստայն (ostayn).

ոստ • (ost)

1. (dialectal) the spun yarn collected around the spindle

From Proto-Indo-European *h₃ósdos.

ոստ • (ost)

2. branch, bough (of a tree)

   ոստք մատանց ձեռին ― ostkʻ matancʻ jeṙin ― the fingers

3. knot, joint (on a tree, whence the branches grow)

   ոստովք վարակեալ ― ostovkʻ varakeal ― knotty, nodous, knobby, gnarly

• Armenian: ոստ (ost)
• →? Old Georgian: შტო (šṭo)
  • Georgian: შტო (šṭo), სტო (sṭo), რტო (rṭo)

• Ačaṙean, Hračʻeay (1971–1979) “ոստ”, in Hayerēn armatakan baṙaran [Armenian Etymological Dictionary] (in Armenian), 2nd edition, a reprint of the original 1926–1935 seven-volume edition, Yerevan: University Press
• Awetikʻean, G., Siwrmēlean, X., Awgerean, M. (1836–1837) “ոստ”, in Nor baṙgirkʻ haykazean lezui [New Dictionary of the Armenian Language] (in Old Armenian), Venice: S. Lazarus Armenian Academy
• Fortson, Benjamin W. (2010) Indo-European Language and Culture: An Introduction, second edition, Oxford: Blackwell, page 387
• Godel, Robert (1975) An introduction to the study of classical Armenian, Wiesbaden: Dr. Ludwig Reichert Verlag, page 80
• Petrosean, Matatʻeay (1879) “ոստ”, in Nor Baṙagirkʻ Hay-Angliarēn [New Dictionary Armenian–English], Venice: S. Lazarus Armenian Academy
• Thorsø, Rasmus (2023) Prehistoric loanwords in Armenian: Hurro-Urartian, Kartvelian, and the unclassified substrate‎, PhD dissertation, Leiden University, page 83

The origin is uncertain.

ոստ • (ost)

2. hill, height, hillock

• Petrosean, Matatʻeay (1879) “ոստ”, in Nor Baṙagirkʻ Hay-Angliarēn [New Dictionary Armenian–English], Venice: S. Lazarus Armenian Academy
• Ačaṙean, Hračʻeay (1971–1979) “ոստ”, in Hayerēn armatakan baṙaran [Armenian Etymological Dictionary] (in Armenian), 2nd edition, a reprint of the original 1926–1935 seven-volume edition, Yerevan: University Press
• Awetikʻean, G., Siwrmēlean, X., Awgerean, M. (1836–1837) “ոստ”, in Nor baṙgirkʻ haykazean lezui [New Dictionary of the Armenian Language] (in Old Armenian), Venice: S. Lazarus Armenian Academy