延えん長ちょう線せん上じょう

noun

on the extension of a line; as an extension of

Used both literally for a geometric line extension and figuratively for something that follows naturally from a previous argument, plan, or situation. Often appears as ～の延長線上に(ある/考える).

• この点てんは線せん分ぶんABの延えん長ちょう線せん上じょうにある。

  This point lies on the extension of line segment AB.

• 今こん回かいの提てい案あんは前ぜん回かいの議ぎ論ろんの延えん長ちょう線せん上じょうにある。

  This proposal is an extension of our previous discussion.