This is the 12875th most frequent Russian word.
латвийско
"Latvian" (related to Latvia or its people, culture, or language).
The word 'латвийско' is used as part of a hyphenated adjective describing the bilingual dictionary, emphasizing its association with Latvia and Russian language.
Я изучаю латвийско-русский дипломатический словарь.
I'm studying a Latvian-Russian diplomatic dictionary.
Here, 'латвийско', combined with 'эстонских', represents something shared between Latvia and Estonia, serving as a compound adjective for bilateral relations.
В латвийско-эстонских отношениях произошли положительные изменения.
Positive changes have occurred in Latvian-Estonian relations.
In this instance, 'латвийско' pairs with 'литовской' to indicate the shared border between Latvia and Lithuania, focusing on geographical connection.