What does ～足 mean?
～足 is a Japanese counter meaning “counter for pairs (of shoes or socks)” in English. It is written as ～足 in kanji, ～そく in hiragana, and ～soku in romaji. This word is part of JLPT N4 vocabulary.
Example sentences
靴を二足買いました。
I bought two pairs of shoes.
靴下を三足持っています。
I have three pairs of socks.