bellied (adj.)youdaoicibaDictYouDict[bellied 词源字典]
having a swelling or hollow middle, late 15c., from belly (n.). Also, in compounds, "having a belly" (of a certain kind).[bellied etymology, bellied origin, 英语词源]
jellied (adj.)youdaoicibaDictYouDict
1590s, past participle adjective from jelly (v.).
pot-bellied (adj.)youdaoicibaDictYouDict
also potbellied, 1650s, from pot (n.1) + bellied. As a type of stove from 1973.