踏破 （トウハ） travelling on foot, traveling on foot, travelling all over

踏襲 （トウシュウ） following (a precedent, former policy, etc.), continuing with, sticking to, observing

前人未到 （ゼンジンミトウ） untrodden (region, field of study, etc.), unprecedented (discovery, achievement, etc.)

高踏 （コウトウ） highbrow, aloof, transcendent

踏む （ふむ） to step on, to tread on, to trample on, to set foot on (e.g. foreign soil), to stand on, to visit, to experience, to undergo, to follow (rules, principles, etc.), to go through (e.g. formalities), to complete, to estimate, to guess, to judge, to value, to appraise, to rhyme, to succeed to (e.g. the throne)

踏まえる （ふまえる） to be based on, to take into account, to build upon, to have origin in, to have one's feet firmly planted on, to plant oneself on