part of the feet from the ankles to the tips of the toes
冬は足先が冷えやすい。
In winter, my toes tend to get cold easily.
最近、足先のしびれが気になります。
Lately, I've been concerned about numbness in my forefeet.
長いマラソンの後、疲れた足先をゆっくりほぐした。
After the long marathon, I slowly massaged my tired forefeet.