Hachimon Tonko

八門遁甲

literallyeight + gate + type of astrology

The Eight Gates.

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Character by character

八eight, eight radical (no. 12)ハチハツやや.つ2 strokes · taught in grade 1 門gate, counter for cannonsモンかどと8 strokes · taught in grade 2 遁flee, escape, shirkトンシュンのが.れる12 strokes 甲armor, high (voice), A gradeコウカンきのえ5 strokes

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The same characters show up in everyday Japanese. This is where one anime word turns into ten real ones.

八

十八じゅうはちeighteen
八月はちがつAugust
八日ようか8th day of the month
八方はっぽうall sides
八丁はっちょうskillfulness

門

一門いちもんfamily
関門かんもんbarrier
校門こうもんschool gate
宗門しゅうもん(religious) denomination
正門せいもんmain gate

甲

甲斐かいresult (that makes an act worthwhile)
装甲そうこうarmoring
甲板かんぱんdeck (of a ship)
甲状腺こうじょうせんthyroid (gland)
甲子園こうしえんKoshien Stadium (baseball park in Nishinomiya, Hyōgo Prefecture)

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