Reconstruction:Proto-Slavic/reťi

• Per Derksen, possibly cognate with Sanskrit रचयति (racáyati, “to work, to construct”) and Welsh rhegi (“curse”).
• Per Vasmer, cognate with Lithuanian rẽkti (“to shout, to roar”), 1sg. rėkiù, Lithuanian rékauti (“to shout, to roar”), 1sg. rékauju, Latvian rèkt (“to shout, to roar, to howl”), rȩ̃kôt (“to talk, to chat”), as well as Sanskrit रचयति (racáyati, “to work, to construct”), Gothic 𐍂𐌰𐌷𐌽𐌾𐌰𐌽 (rahnjan, “to calculate”), Tocharian B reki, Tocharian A rake (“speech, word”), Latin raccō (“to roar (like a tiger)”), Old Irish réimm (“shout”), from Proto-Indo-European *rekmen.

*reťi [1]

1. to say

• *rāčìti (“to wish, want”)
• *rě̑čь‎ (“speech”)
• *rokъ (“period of time”)
• *otrokъ (“child, servant”)
• *prorokъ (“prophet”)
• *porokъ (“vice, flaw”)
• *urokъ (“verbal agreement, curse, lesson”)
• *naročьnъ (“deliberate”)
• *uročьnъ (“agreed upon, accordant”)

• *perdъreťi (“to predict”) < *perdъ (“front”) + *reťi
• *zareťi (“to order”) < *za (“for”) + *reťi
• *nareťi (“to nominate, to call”) < *na (“on”) + *reťi
• *otъreťi (“to deny, to renounce”) < *otъ (“from”) + *reťi
• *jьzreťi (“to utter, to proclaim”) < *jьz (“out of”) + *reťi
• *vъreťi (“to promise, to vow”) < *vъ(n) (“in”) + *reťi
• *sъreťi (“to spell syllables”) < *sъ(n) (“with”) + *reťi

• East Slavic:
  • Old East Slavic: речи (reči)
    • Belarusian: рачы́ (račý)
    • Russian: -речь (-rečʹ), речи́ (rečí) (dialectal)
    • Ukrainian: ректи́ (rektý), речи́ (rečý)
• South Slavic:
  • Old Church Slavonic:

    Cyrillic: рещи (rešti)

    Glagolitic: [Term?]

  • Bulgarian: река́ (reká)
  • Serbo-Croatian:

    Cyrillic: ре̏ћи

    Latin: rȅći

    • Chakavian (Vrgada): rȅći
  • Slovene: réči (tonal orthography)
• West Slavic:
  • Czech: říct, říci
  • Polish: rzec
  • Slovak: riecť

• Vasmer (Fasmer), Max (Maks) (1964–1973), “реку”, in Etimologičeskij slovarʹ russkovo jazyka [Etymological Dictionary of the Russian Language] (in Russian), translated from German and supplemented by Trubačóv Oleg, Moscow: Progress
• Černyx, P. Ja. (1999), “реку”, in Istoriko-etimologičeskij slovarʹ russkovo jazyka [Historical-Etymological Dictionary of the Russian Language] (in Russian), volume 2, 3rd reprint edition, Moscow: Russkij jazyk, page 109
• Šanskij, N. M. (2004), “речь”, in Školʹnyj etimologičeskij slovarʹ russkovo jazyka [School Etymological Dictionary of the Russian Language] (in Russian), Moscow: Drofa