довгъ

• долгъ – archaic form; дулгъ
• довъгъ, долъгъ – alternative spelling
• длъ́гъ (dloh) – borrowed from Old Church Slavonic
• длукгъ, длуґъ – borrowed from Old Polish
• длухъ – borrowed from Old Czech

From early до́лгъ, inherited from Old East Slavic дъ́лгъ (dŭ́lgŭ), from Proto-Slavic *dъlgъ, borrowed from Gothic 𐌳𐌿𐌻𐌲𐍃 (dulgs), from Proto-Germanic *dulgaz, from Proto-Indo-European *dʰl̥gʰ-os, from *dʰelgʰ-. Cognate with Russian долг (dolg).

довгъ • (transliteration needed) m inan

1. debt
2. duty

• Belarusian: доўг (doŭh)
• Rusyn: довг (dovh)
• Ukrainian: довг (dovh) (dialectal)

• Tymchenko, E. K., editor (1932), “длуґъ”, in Історичний словник українського язика [Historical Dictionary of the Ukrainian Language] (in Ukrainian), volume 1, issue 2 (Г – Ж), Kharkiv, Kyiv: Ukr. Sov. Ency., page 725
• Tymchenko, E. K., editor (1932), “довгъ”, in Історичний словник українського язика [Historical Dictionary of the Ukrainian Language] (in Ukrainian), volume 1, issue 2 (Г – Ж), Kharkiv, Kyiv: Ukr. Sov. Ency., page 744
• Tymchenko, E. K., editor (1932), “долгъ”, in Історичний словник українського язика [Historical Dictionary of the Ukrainian Language] (in Ukrainian), volume 1, issue 2 (Г – Ж), Kharkiv, Kyiv: Ukr. Sov. Ency., page 770
• Hrynchyshyn, D. H., editor (1977), “*длъгъ”, in Словник староукраїнської мови XIV–XV ст. [Dictionary of the Old Ukrainian Language of the 14ᵗʰ – 15ᵗʰ cc.] (in Ukrainian), volume 1 (А – М), Kyiv: Naukova Dumka, page 301
• Hrynchyshyn, D. H., editor (1977), “*долгъ”, in Словник староукраїнської мови XIV–XV ст. [Dictionary of the Old Ukrainian Language of the 14ᵗʰ – 15ᵗʰ cc.] (in Ukrainian), volume 1 (А – М), Kyiv: Naukova Dumka, page 314
• Hrynchyshyn, D. H., editor (2001), “длугъ, длухъ”, in Словник української мови XVI – I пол. XVII ст. [Dictionary of the Ukrainian Language: 16ᵗʰ – 1ˢᵗ half of 17ᵗʰ c.] (in Ukrainian), issue 8 (десѧтинный – дѣдичство), Lviv: KIUS, →ISBN, page 34
• Hrynchyshyn, D. H., editor (2001), “долгъ¹, долгь, долъгъ, дольгь, длъгъ, длъгь, дулгъ, довгъ, довъгъ”, in Словник української мови XVI – I пол. XVII ст. [Dictionary of the Ukrainian Language: 16ᵗʰ – 1ˢᵗ half of 17ᵗʰ c.] (in Ukrainian), issue 8 (десѧтинный – дѣдичство), Lviv: KIUS, →ISBN, page 106
• Zhurawski, A. I., editor (1987), “долгъ, довгъ”, in Гістарычны слоўнік беларускай мовы [Historical Dictionary of the Belarusian Language] (in Belarusian), issue 8 (девичий – дорогость), Minsk: Navuka i tekhnika, page 249
• Zhurawski, A. I., editor (1987), “длугъ, длукгъ”, in Гістарычны слоўнік беларускай мовы [Historical Dictionary of the Belarusian Language] (in Belarusian), issue 8 (девичий – дорогость), Minsk: Navuka i tekhnika, page 109
• Tymchenko, E. K. (2002), “довгъ”, in Nimchuk, V. V., editor, Матеріали до словника писемної та книжної української мови XV–XVIII ст. [Materials for the Dictionary of the Written and Book Ukrainian Language of the 15ᵗʰ – 18ᵗʰ cc.] (in Ukrainian), volume 1 (А – Н), Kyiv, New York: National Academy of Sciences of Ukraine, Ukrainian Academy of Arts and Sciences in the U.S., →ISBN, page 213