前人未到 ぜんじんみとう untrodden (region, field of study, etc.) #25,906 Meanings also 前人未踏 takes の, noun, four-character idiom untrodden (region, field of study, etc.); unprecedented (discovery, achievement, etc.) Its kanji 前 ゼン · まえ、-まえ in front, before 人 ジン、ニン · ひと、-り、-と person 未 ミ、ビ · いま.だ、ま.だ、ひつじ un-, not yet, hitherto, still, even now, sign of the ram, 1-3PM, eighth sign of Chinese zodiac 到 トウ · いた.る arrival, proceed, reach, attain, result in