From Middle Korean 렴토ᇰ (lyemthwong), 념토ᇰ (nyemthwong). <span class="searchmatch">념통</span> (nyemthwong) heart (organ) Korean: 염통 (yeomtong)...
Possibly influenced by Korean. Compare the first syllable of Middle Korean <span class="searchmatch">념통</span> (nyemthwong, “heart”) (whence Korean 염통 (yeomtong)). (standard) IPA(key):...