甲こう高だか

noun which may take the genitive case particle 'no', na-adjective, noun

high instep; having a high instep

Describes feet with a high arch, or shoes/socks designed for such feet. Often used in the phrase 甲高の足.

• 彼かの女じょは甲こう高だかの足あしに合あう靴くつを探さがしている。

  She is looking for shoes that fit her high-instep feet.

• 甲こう高だかな足あしだと、普ふ通つうのパンプスが痛いたくなりやすい。

  If you have high-instep feet, regular pumps tend to hurt easily.

noun

high-instep shoes or socks

Refers to footwear or socks specifically made for high-instep feet. Often used in product descriptions.

• このメーカーは甲こう高だかの靴くつ下したを豊ほう富ふに取とりそろえている。

  This manufacturer offers a wide selection of high-instep socks.