• 起立きりつ — standing up / rise
• 起動きどう — startup (system)
• 起源きげん — origin
• 縁起えんぎ — omen / luck / sign
• 再起さいき — comeback / recovery
• 奮起ふんき — rousing oneself / taking heart

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起 combines the radical 走 (run) with 己 (self), originally suggesting "begin to move oneself." It expresses movement, beginnings, or occurrences. It’s used in both physical and abstract senses (like 起きる or 起源).

いつも七時しちじに 起おきます。
I wake up at 7 o'clock every day.

事故じこが 起おこりました。
An accident occurred.