յանդուգն

Ačaṙean derives from յ- (y-) +‎ ան- (an-) +‎ *դուգն (*dugn), from Proto-Indo-European *dʰugʰ-, zero-grade of *dʰewgʰ- (“to be strong, have force”). The prefix ան- (an-) here is not the privative one. Among the cognates compare especially the family of English doughty.

յանդուգն • (yandugn)

1. bold, rash, headstrong
   • 5th century, Bible, 2 Timothy 3.4:

     մատնիչք, յանդգունք, ամբարհաւաճք, ցանկասէրք մանաւանդ քան աստուածասէրք

     matničʿkʿ, yandgunkʿ, ambarhawačkʿ, cʿankasērkʿ manawand kʿan astuacasērkʿ

     treacherous, rash, conceited, lovers of pleasure rather than lovers of God

յանդուգն • (yandugn)

1. boldly, rashly

• Armenian: հանդուգն (handugn)

• Awetikʿean, G.; Siwrmēlean, X.; Awgerean, M. (1837), “յանդուգն”, in Nor baṙgirkʿ haykazean lezui [New Dictionary of the Armenian Language] (in Old Armenian), volume II, Venice: S. Lazarus Armenian Academy, page 326a
• Ačaṙyan, Hračʿya (1944), “Haykakankʿ A [Armeniaca I]”, in Bulletin of the Academy of Sciences of the Armenian SSR: Social Sciences‎ (in Armenian), volume 5, page 28
• Ačaṙean, Hračʿeay (1977), “յանդուգն”, in Hayerēn armatakan baṙaran [Dictionary of Armenian Root Words] (in Armenian), volume III, 2nd edition, reprint of the original 1926–1935 seven-volume edition, Yerevan: University Press, page 382
• Ačaṙean, Hračʿeay (1979), “Haykakankʿ (Armeniaca)”, in Hayerēn armatakan baṙaran [Dictionary of Armenian Root Words] (in Armenian), volume IV, 2nd edition, Yerevan: University Press, pages 627–628
• Petrosean, H. Matatʿeay V. (1879), “յանդուգն”, in Nor Baṙagirkʿ Hay-Angliarēn [New Dictionary Armenian–English], Venice: S. Lazarus Armenian Academy, page 126a
• Walde, Alois (1930), Pokorny, Julius, editor, Vergleichendes Wörterbuch der indogermanischen Sprachen (in German), volume I, Berlin: de Gruyter, page 847