He made fun of the hunchbacked man.
Hunchbacked people were often discriminated against in the past.
The disease once called せむし is now known as rickets.
Kana spelling is standard; the word is usually written in kana. Kanji forms are rare or search-only.
Rare kanji form; not commonly used in modern Japanese.
Rare kanji form; may be encountered in older texts.
Compound of 背 (se, 'back') and むし (mushi), possibly from 虫 (mushi, 'bug, worm') or a variant of 蒸し (mushi, 'steamed'), referring to a hunched or swollen back. The exact derivation is uncertain.