This is the 5423rd most frequent Arabic word.
دولته
"His/its state" or "his/its government," depending on context.
Here, "دولته" refers to "his/her country" and indicates possession or association.
دولته مهتمة بتعزيز العلوم والتكنولوجيا.
His/Her country is interested in advancing science and technology.
In this sentence, "دولته" specifically refers to a country possessed or represented by the speaker or the referred entity.
قال إن دولته ستشارك في المؤتمر الدولي.
He/She said that his/her country will participate in the international conference.
Here, "دولته" is used to express admiration towards the country associated with someone.