noun
Archaic term for the disease smallpox. In modern Japanese, 天然痘 (てんねんとう) is the standard medical term.
昔は「いも」と呼ばれた病気が、今の天然痘にあたる。
The disease once called 'imo' corresponds to what is now known as smallpox.
noun
Archaic term for a pockmark, especially one left by smallpox. The modern word is あばた, and the proverb 痘痕も靨 (あばたもえくぼ) uses that reading.
「痘痕も靨」ということわざは、あばたもえくぼと読む。
The proverb 'imomoe-kubo' is read as 'abata mo ekubo'.
The reading いも is archaic and its origin is uncertain. The kanji 痘痕 literally mean 'pox scar'.