再起動

• Reading: さいきどう
• Romaji: saikidou
• Kanji breakdown: 再 (sai) — again, re-; 起 (ki/o) — rise, start; 動 (dou/ugo) — move
• Pronunciation: /sa.i.ki.doː/

Meaning

Restart; reboot; rebooting a device or system.

A する verb (再起動する) used primarily in computing and technology contexts. Composed of three kanji meaning 'again-start-move.' An essential IT term known to virtually all Japanese speakers. Also used figuratively to mean restarting or relaunching a project or effort.

Examples

1. パソコンの調子が悪いので再起動してみよう。 My computer isn't working well, so let me try restarting it.
2. サーバーの再起動には数分かかります。 Restarting the server will take a few minutes.
3. アプリが固まったらまず再起動を試してください。 If the app freezes, try restarting it first.

Usage Guide

Context: technology, IT support, daily life

Tone: neutral

Origin & History

Compound of 再 (sai, again) + 起動 (kidō, startup/activation). 起動 itself combines 起 (to rise) + 動 (to move). A modern technical term that became widespread with personal computing.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal