英语词源字典 - 在线词源网站

discontent (v.)[discontent 词源字典]: late 15c., from dis- "not" + content (v.). Related: Discontented; discontentedly; discontentment; discontentedness.[discontent etymology, discontent origin, 英语词源]
repine (v.): "to be fretfully discontented," mid-15c., probably from re-, here likely an intensive prefix, + pine (v.) "yearn." Related: Repined; repining.
sorehead (n.): "mean, discontented person," 1848, American English, from sore (adj.) + head (n.). Especially in 19c. U.S. political slang, a person who is dissatisfied through lack of recognition or reward for party service (1862).
trek: 1849 (n.) "a stage of a journey by ox wagon;" 1850 (v.), "to travel or migrate by ox wagon," from Afrikaans trek, from Dutch trekken "to march, journey," originally "to draw, pull," from Middle Dutch trecken (cognate with Middle Low German trecken, Old High German trechan "to draw"). Especially in reference to the Groot Trek (1835 and after) of more than 10,000 Boers, who, discontented with the English colonial authorities, left Cape Colony and went north and north-east. In general use as a noun by 1941. Related: Trekked; trekking.