出典:Wiktionary
出典:『Wiktionary』 (2025/08/15 00:23 UTC 版)
From Old French planete, from Latin planeta, planetes, from Ancient Greek πλανήτης (planḗtēs, “wanderer”), from Ancient Greek πλανάω (planáō, “wander about, stray”), of unknown origin. Perhaps from a Proto-Indo-European *pel- (“to wander, roam”).