原点|げんてんgenten[1]atamadaka (head-high)

1. nounstarting point; origin; beginning
2. noun, mathorigin (of coordinate axes)
3. noundatum point

• Synonym起点きてんNeutralThe start of a route or line in space, as 「路線の起点」; stresses where something physically begins, while 「原点」 also means a fundamental starting point.
• Synonym出発点しゅっぱつてんNeutralA point of departure, literal or figurative, as 「議論の出発点」; often metaphorical, while 「原点」 stresses a fundamental origin.
• Synonym始点してんNeutralMostly technical: the start of a selection range on a computer, or the first stop on a rail or bus line.
• Related基点きてんNeutralA reference point to measure from, as 「駅を基点とする」; stresses the measurement basis, not a beginning.
• Related基準点きじゅんてんNeutralA precisely surveyed reference point, used mainly in surveying and mapmaking.
• Antonym終点しゅうてんNeutralThe end point, as 「バスの終点」; the opposite of 「原点」.

Use 「原点」 for the fundamental starting point of something or the origin of coordinates, as in 「原点に立ち返る」. For a route's start say 「起点」, for a point of departure, often figurative, 「出発点」, for a measurement basis 「基点」; the opposite is 「終点」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 物事ものごとの始はじまりや基準きじゅん、根拠こんきょとなる点てん。
2. 幾何学きかがく的てきな議論ぎろんをするための固定こていされた点てんとして用もちいられる、座標ざひょう系けいの特別とくべつな点てん。