godan verb (-ru)
finish writing
Intransitive verb meaning that the act of writing comes to an end. Often used when the writer finishes a piece of writing.
やっとレポートが書き終わった。
I finally finished writing the report.
手紙を書き終わるまで待ってください。
Please wait until I finish writing the letter.
Standard kanji spelling.
Variant with 終る instead of 終わる; less common but acceptable.
書き終える is transitive and emphasizes the completion of a specific writing task, while 書き終わる is intransitive and focuses on the writing process coming to an end.
Compound of 書き (continuative form of 書く, 'to write') + 終わる ('to end').