始業
Common
Noun
Irregular
Intransitive
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb
start of work;commencement;opening
教室に入って席に着くのとほぼ同時に、始業を知らせるチャイムの音が鳴り響く。
About the same time as he entered the classroom and arrived at his seat, the chime to announce class rings across the school.