词汇 | beluga |
词根词缀 | 词源: 1590s, from Rus. beluga, lit. "great white," from belo- "white" (from PIE *bhel-o-, from base *bhel- (1) "to shine, flash, burn;" see bleach) + augmentative suffix -uga. Originally the great sturgeon, found in the Caspian and Black seas; later (1817) also the small white whale (Delphinapterus leucas) found in northern seas. |
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