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English word soap comes from Proto-Indo-European *sub-, Proto-Indo-European *seyp-, Proto-Indo-European *sewH-, and later Proto-Germanic *saipǭ (Soap.)
*sub- (Proto-Indo-European)
*seyp- (Proto-Indo-European)
*sewH- (Proto-Indo-European)
*saipǭ (Proto-Germanic)
Soap.
*supô (Proto-Germanic)
Soup, broth.
sāpe (Old English)
sopa (Old English)
sape (Middle English)
soap (English)
(slang, dated) To flatter; to wheedle.. (transitive) To apply soap to in washing.. (transitive, informal) To be discreet about (a topic).. (transitive, informal) To cover, lather or in any other form treat with soap, often as a prank. (chemistry) a metallic salt derived from a fatty acid. (countable, informal). (slang) money, specially when used for bribing purposes. (uncountable) a [...]