- 端 — edge; end; tip; corner
- 端 — side; edge (in some dialects / set phrases)
- 先端 — the very tip; forefront
- 両端 — both ends
- 端的 — direct; to the point
- 極端 — extreme
- 発端 — the start; the trigger; the origin of something
The top part is 立(たつ) — “to stand.” The lower part shapes the sound (タン). Picture something standing upright at the very edge, right at the boundary. That’s 端: the end, the border, the outermost point where something begins or finishes.