This is the 111th most frequent Ukrainian word.
єс
The Ukrainian word "єс" translates to "EU" (European Union) in English.
Here, 'ЄС' stands for 'Європейський Союз' (EU), which is a political and economic union of member states located primarily in Europe.
Україна прагне вступити до ЄС.
Ukraine strives to join the EU.
Here, 'є' functions as the third person singular form of the verb 'бути' (to be), demonstrating existence in the present tense.
В цій кімнаті є сонячне світло.
In this room, there is sunlight.
In this case, 'єсить' is a colloquially extended form derived from 'є', used in certain syntactical expressions to emphasize existence.