adverb, noun which may take the genitive case particle 'no'
every other week; biweekly
Used adverbially or with の to describe events, publications, or schedules occurring once every two weeks.
この雑誌は隔週で発行されています。
This magazine is published every other week.
隔週の会議は水曜日に開
The biweekly meeting is held on Wednesdays.