pivot foot (the foot around which one’s body turns in sport, dance, etc.) / crux, focus (something of great importance for an argument, a plan, etc.)

preliminary elimination of those who don't make the cut

(history) an ashigaru, a type of foot soldier in feudal Japan

gait / trace of the movements of a criminal

gait / trace of the movements of a criminal

足軽: an ashigaru, a type of foot soldier in feudal Japan

足首: ankle

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)