プログレッシブ和英中辞典(第4版)の解説
げんてん【原点】
❶〔出発点〕the starting point; the origin; the beginning
原点に立ち返って考える
consider ((a matter)) again from the beginning
❷〔数学で〕the origin
座標の原点を通る直線
a straight line which passes through the origin of the coordinates
❸〔勝負事で〕the number of points a player starts (out) with