硬こう膜まく外がい麻ま酔すい

Meanings

1

epidural anesthesia

Medical term for anesthesia injected into the epidural space, commonly used during childbirth or surgery.

drunk, feel sick, poisoned

麻ま酔すい
General term for anesthesia; 硬膜外麻酔 specifies the epidural type.
脊せき椎つい麻ま酔すい
Spinal anesthesia, injected into the subarachnoid space, distinct from epidural.

Compound of 硬膜外 (epidural) and 麻酔 (anesthesia). The exact historical derivation is uncertain; the term is a modern medical coinage.