In Japanese; a compound verb meaning "finish doing" can be formed using the verb owaru ("finish"). Owaru is attached, as an auxiliary, to a verb in its stem form which indicates that someone or something has finished doing something.
Shujin wa asagohan o tabeowarimashita.
My husband finished eating his breakfast.
Keisatsu wa sono jiken o shirabeowatta.
The police finished investigating the case.
Kono rekishi no hon o yomiowatta tokoro desu.
I have just finished reading this history book.
Hope this helps!
°˖ ✧◝(○ ヮ ○)◜✧˖ ° こゆうきあいはら °˖ ✧◝(○ ヮ ○)◜✧˖ °