calluses from sitting seiza
Refers to calluses that develop on the ankles, insteps, or tops of the feet from prolonged sitting in the seiza (正座) position. Often used in everyday conversation about the physical effects of traditional Japanese sitting.
See also: 正座 (せいざ)
Because I often sit seiza, I've developed calluses on the tops of my feet.
My calluses from sitting seiza hurt, so sitting seiza is painful.
Common mixed kanji-kana spelling.
Full kanji spelling using 胼胝 (callus), but rare and may be difficult to read.
Compound of 座り (sitting) + たこ (callus). The reading だこ is a rendaku (sequential voicing) form of たこ.