This is the 17336th most frequent Russian word.
таджикско
"Tаджикско" means "Tajik" or "related to Tajikistan or Tajiks."
The word 'таджикско' is used as the first part of a compound adjective 'таджикско-русский', describing a relationship between Tajik and Russian languages.
Таджикско-русский словарь очень популярен среди студентов.
The Tajik-Russian dictionary is very popular among students.
Here, 'таджикско' is part of the adjective 'таджикско-киргизской', which refers to something pertaining to both Tajik and Kyrgyz regions.
На таджикско-киргизской границе произошёл инцидент.
An incident occurred on the Tajik-Kyrgyz border.
In this sentence, the word 'таджикско' is utilized in 'таджикско-персидская', which indicates a cultural or literary connection between Tajiks and Persians.