The story
- Proto-Germanic*puhô
- Frankish*pokō
- Old Frenchpoche
- Anglo-Normanpoket
- Middle Englishpocket
- Englishpocket
- Japaneseポケット
- Proto-Indo-European*men-
- Proto-Indo-European*monéyeti
- Proto-Italic*man-eje-
- Proto-Italic*moneō
- Proto-Italic*monestrom
- Latinmōnstrum
- Old Frenchmonstre
- Middle Englishmonstre
- Englishmonster
- Japaneseモンスター
- Japaneseポケットモンスターclip.
- Japaneseポケモン (Pokemon)
- English todayPokémon
Borrowed from Japanese ポケモン (Pokemon), a clipped compound of ポケットモンスター (Poketto Monsutā), itself from English pocket monster. The acute accent was added to signify the pronunciation.
Etymology from Wiktionary, CC BY-SA 4.0.