英语词汇onerous的起源、历史背景-英语词源词典

词汇	onerous
词源	onerous adj. "burdensome, troublesome," late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus "burdensome, heavy, oppressive," from onus (genitive oneris) "a burden" (see onus). Related: Onerously; onerousness. Entries linking to onerous onus n. "a burden," 1640s, from Latin onus "load, burden," figuratively "tax, expense; trouble, difficulty," from PIE *en-es- "burden" (source of Sanskrit anah "cart, wagon"). Hence legal Latin onus probandi (1722) "the task of proving what has been alleged," literally "burden of proving." updated on August 25, 2019
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onerous adj.