軌跡

• 読み: きせき
• ローマ字: kiseki
• 漢字の分解: 軌 (ki) — wheel rut, course, track; 跡 (seki/ato) — trace, footprint, ruins
• 発音: /ki.se.ki/

意味

Trajectory; locus; the path traced by a moving point. Figuratively, the record of one's achievements, progress, or the course of a life or movement.

In mathematics, 軌跡 refers to the locus of a point satisfying a set of conditions. In literary and everyday usage, it describes the meaningful path someone or something has travelled — a career, a historical movement, or a life story. It carries a reflective quality, as if looking back at a significant journey.

例文

1. 彼の研究者としての軌跡は、後進の研究者たちに大きな影響を与えた。
2. 40年に及ぶ芸術家の軌跡を振り返る展覧会が開かれた。
3. 衛星の軌跡をグラフに描くと、楕円形を描いていることがわかる。

使い方ガイド

場面: biography, history, mathematics

トーン: reflective

起源と歴史

Compound of 軌 (wheel track, rut, course) and 跡 (footprint, trace, ruins). The image is of marks left behind by something in motion, which together form a legible path.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal