tips of the toes; front part of the foot
Refers to the part of the foot from the ankle forward, including the toes. Often used when describing foot position, coldness, or movement.
足先が冷たくて眠れない。
My toes are so cold I can't sleep.
バレエでは足先をしっかり伸ばすことが大切
In ballet, it's important to point your toes firmly.
Compound of 足 (あし, foot) and 先 (さき, tip, front). The reading is a straightforward combination of the kun'yomi readings of the two kanji.