Reconstruction:Proto-Slavic/koldędzь

• *koldenьcь (under influence of *studenьcь, *koldьnъ)
• *koldьcь (*-ędzь > *-ьcь)

• Borrowed from Proto-Germanic *kaldingaz (“?”), from *kaldaz (“cold”) +‎ *-ingaz or *kaldijǭ. The word is only attested in toponyms Käldinge (literally “der Quellenort”), Källinge (< källa), Danish Kolding, Kalding. Also compare Finnish kaltio (“spring”), Old Norse kelda (“spring”), Danish kilde (“spring”).
  • For the meaning compare Norwegian verma, vermsl, Lithuanian šalti̇̀nis (“source”), (šáltas (“cold”)), Old Church Slavonic студеньць (studenĭcĭ) (< *studenьcь, *studъ)
• From *kolda +‎ *-ędzь.
  • For the meaning compare *stublь, Lithuanian šulinỹs (“well”) (šùlas)

*kòldędzь m^[1]

1. well (water, hole sunk into the ground)
2. spring (water, place)

• *xoldъ ('x' is unexpected)
• *žerdlo
• *krinica
• *ǫblъ

• Church Slavonic: кладѧѕь (kladędzĭ) (Serbian recension)
• East Slavic:
  • Old East Slavic: колодѧзь (kolodęzĭ), колодезь (kolodezĭ)
    • Belarusian: кало́дзеж (kalódzjež)
    • Russian: коло́дезь (kolódezʹ),
    • Ukrainian: коло́дязь (kolódjazʹ)
• South Slavic:
  • Old Church Slavonic: кладѧѕь (kladędzĭ)
    • → Russian: кла́дезь (kládezʹ)
  • Serbo-Croatian:

    Cyrillic script: кла̏де̄з

  • Slovene: klādez (tonal orthography) (obsolete)

From *koldьcь:

• Church Slavonic: кладьць (kladĭcĭ)
• Russian: коло́дец (kolódec)
  • Ukrainian: коло́дець (kolódecʹ)

From *koldenьcь:

• Bulgarian: кла́денец (kládenec)
• Macedonian: кладенец (kladenec)
• Serbo-Croatian: кла̏денац, хла̏денац
• Slovene: kladénec

• Merkulova V. A. (1981) “Восточнославянские этимологии. I”, in Этимология 1979, Moscow, page 8: “стубла”
• Vasmer, Max (1964–1973) “коло́дец”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Vasmer, Max (1964–1973) “шуло”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Vasmer, Max (1964–1973) “Стубель”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Chernykh, P. Ja. (1999) “колодезь”, in Историко-этимологический словарь русского языка [Historical-Etymological Dictionary of the Russian Language] (in Russian), 3rd edition, volume 1 (а – пантомима), Moscow: Russian Lang., →ISBN, page 413
• Chernykh, P. Ja. (1999) “колодец”, in Историко-этимологический словарь русского языка [Historical-Etymological Dictionary of the Russian Language] (in Russian), 3rd edition, volume 1 (а – пантомима), Moscow: Russian Lang., →ISBN, page 413
• Trubachyov, Oleg, editor (1983), “*koldędzь”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 10 (*klepačь – *konь), Moscow: Nauka, page 124
• Trubachyov, Oleg, editor (1983), “*koldьcь”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 10 (*klepačь – *konь), Moscow: Nauka, page 126
• Trubachyov, Oleg, editor (1983), “*koldenьcь/*koldьnьcь”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 10 (*klepačь – *konь), Moscow: Nauka, page 123
• Sreznevsky, Izmail I. (1893) “колодꙗзь”, in Матеріалы для Словаря древне-русскаго языка по письменнымъ памятникамъ [Materials for the Dictionary of the Old East Slavic Language Based on Written Monuments]‎^[2] (in Russian), volume 1 (А – К), Saint Petersburg: Department of Russian Language and Literature of the Imperial Academy of Sciences, column 1256