落下 (rakka, “to fall down”) + 傘 (san, “umbrella”)
落下傘 (hiragana らっかさん, rōmaji rakkasan, historical hiragana らくかさん)
落下傘 • (nakhasan, McCune-Reischauer: nakhasan, Yale: nak.hasan) (hangeul 낙하산)