専せん門もん分ぶん野やMeaningsNoun1. area of expertise; (one's) field; (one's) lineKanji used専specialty門gate分part野fieldComposed of専せん門もんspeciality; specialty; special subject of study; area of expertise; (one's) field; (one's) major; sole interest; single focus; concentrating exclusively on; doing exclusively; …Noun分ぶん野やfield; sphere; realm; division; branchNoun