征せい途とに上のぼる

expression, godan verb (-ru)

start a journey; set out on an expedition

Literary set phrase. Often implies a long, significant, or military journey. The verb 上る (のぼる) here means 'to set out' or 'to embark on'.

• 彼かれは新あらたな征せい途とに上のぼる決けつ意いを固かためた。

  He resolved to set out on a new journey.

• 軍ぐんは遠とおくの地ちへ征せい途とに上のぼった。

  The army embarked on an expedition to a distant land.