とうげ
tōgeo kosu

Godan Verb (su)
Idiomatic Expression

1. to pass the peak (of something); to get through the most difficult part; to be over the worst (e.g. an illness)

ブームは とうげ した。
būmuwa tōgeo koshita.
The boom has peaked out.
Godan Verb (su)
Expression

2. to cross a pass