twain的词源

英文词源

twain: twain: see two
twain: Old English twegen "two" (masc. nominative and accusative), from Proto-Germanic *twa- "two" (see two). It corresponds to Old Frisian twene, Dutch twee, Old High German zwene, Danish tvende. The word outlasted the breakdown of gender in Middle English and survived as a secondary form of two, especially in cases where the numeral follows a noun. Its continuation into modern times was aided by its use in KJV and the Marriage Service, in poetry (where it is a useful rhyme word), and in oral use where it is necessary to be clear that two and not to or too is meant. In U.S. nautical use as "a depth of two fathoms" from 1799.

来自古英语 twegen,二，来自 Proto-Germanic*twa,二，来自 PIE*dwo,二，词源同 two.

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