noun
the week after next
Refers to the week that follows next week. Used in scheduling and planning contexts.
来来週の月曜日に会議があります。
There is a meeting on Monday of the week after next.
旅行は来週じゃなくて、来来週に延期になった。
The trip has been postponed to the week after next, not next week.
Synonymous; 再来週 is more common in modern Japanese, while 来来週 is slightly more formal or written.
Means 'next week', one week earlier than 来来週.
Reduplication of 来 (rai, 'next') + 週 (shū, 'week'), literally 'next next week'.