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mosh (v.)[mosh 词源字典]: "to dance (with a certain amount of violence) to metal music in a tightly packed arena," 1987, perhaps a variant of mash. Related: Mosh pit.[mosh etymology, mosh origin, 英语词源]
somewhat (adv.): c. 1200, "in a certain amount, to a certain degree," from some + what. Replaced Old English sumdæl, sume dæle "somewhat, some portion," literally "some deal."