mump (1)youdaoicibaDictYouDict[mump 词源字典]
"A block of peat; a spade's depth in digging turf", Late 18th cent. Origin uncertain: perhaps alteration of lump, or perhaps specifically use of singular form corresponding to mumps.[mump etymology, mump origin, 英语词源]
mump (2)youdaoicibaDictYouDict
"To assume a demure, melancholy, or sanctimonious expression; to be silent and sullen; to sulk, mope. Also with object with it", Late 16th cent.; earliest use found in Timothy Kendall (fl. 1572–1577), translator and poet. Apparently from an imitative base of Germanic origin. Compare Dutch mompen to mumble (rare, poetic), German †mumpfen to chew with a full mouth, Icelandic mumpa to cackle, to mutter, murmur, mumpra to eat greedily, to mumble, to distort the mouth, Norwegian regional mompe, mumpe to chew with a full mouth, stuff oneself.
mump (3)youdaoicibaDictYouDict
"To beg, go about begging; to sponge upon", Mid 17th cent. Apparently from Dutch mompen to cheat, deceive, conceal, of uncertain origin; perhaps related to mompen to mumble, though the nature of the relationship is unclear.