тъ

• ⱅⱏ (tŭ)

From Proto-Slavic *tъ, from Proto-Balto-Slavic *tas, tā, ta, from Proto-Indo-European *só, *séh₂, *tód (“this, that”). Cognate with Lithuanian tas and Latvian tas.

тъ • (tŭ)

1. this, this one
2. that, that one
3. it
4. he

• и (i)
• онъ (onŭ)
• сь (sĭ)
• овъ (ovŭ)

• Cejtlin, R.M.; Večerka, R.; Blagova, E., editors (1994), “тъ”, in Старославянский словарь (по рукописям X—XI веков) [Old Church Slavonic Dictionary (Based on 10–11th Century Manuscripts)] (overall work in Russian), Moscow: Russkij jazyk, page 708
• Hauptova Z., editor (1958–1997), “тъ, та, то”, in Slovník jazyka staroslověnského (Lexicon linguae palaeoslovenicae)‎^[1], volume 4 (overall work in Czech), Prague: Euroslavica, page 523

• тътъ (tŭtŭ) (in m.sg. only)

Inherited from Proto-Slavic *tъ, from Proto-Balto-Slavic *tas, from Proto-Indo-European *só.

тъ (tŭ)

1. this, that
   • late XI or XII century, Epistle about Sunday:

     Кто бо великъ ꙗко бъ҃ нашь тъ единъ творѧи чюдеса положи законъ

     Kto bo velikŭ jako bŭ: našĭ tŭ jedinŭ tvoręi čjudesa položi zakonŭ

     Who is as great as the God? That one, making miracles, laid a law

Short:

Long:

• ⇒ Old East Slavic: тътъ (tŭtŭ)
  • Russian: тот (tot), этот (etot)
    • Russenorsk: etta
  • Carpathian Rusyn: тот (tot)
  • Ukrainian: тот (tot) (dialectal)
• Belarusian: той (toj)
• Russian: той (toj) (dialectal)
• Ukrainian: той (toj)

• Zaliznjak, Andrej A. (2019) “Drevnerusskoje udarenije: Obščije svedenija i slovarʹ.”, in Languages of Slavic Culture‎^[2] (in Russian), Moscow: Institute for Slavic Studies of the Russian Academy of Sciences, page 616: “тъ ― t”

• (phoneme) IPA^(key): /tʼ/

тъ • (t’) (lower case, upper case Тъ)

1. The twenty-seventh letter of the Ossetian alphabet, written in the Cyrillic script.

• (Cyrillic-script letters) А а, Ӕ ӕ, Б б, В в, Г г, Гъ гъ, Д д, Дж дж, Дз дз, Е е, Ё ё, Ж ж, З з, И и, Й й, К к, Къ къ, Л л, М м, Н н, О о, П п, Пъ пъ, Р р, С с, Т т, Тъ тъ, У у, Ф ф, Х х, Хъ хъ, Ц ц, Цъ цъ, Ч ч, Чъ чъ, Ш ш, Щ щ, Ъ ъ, Ы ы, Ь ь, Э э, Ю ю, Я я