race原来与error同源

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To be in motion.

1. Variant form *rs-. race2, from Old Norse rs, rushing, from Germanic *rs-.

2. Suffixed form *ers--. err, erratic, erratum, erroneous, error; aberration, from Latin errre, to wander.

3. Possible zero-grade form *s-i-. rishi, from Sanskrit i, poet, seer. (Pokorny 2. ere-s- 336.)