English word no soap comes from Proto-Indo-European *su-, Proto-Indo-European *seyp-, and later Proto-Germanic *sūpaną (To drink; sip; slurp; gulp.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *su- | Proto-Indo-European (ine-pro) | pig |
| *seyp- | Proto-Indo-European (ine-pro) | |
| *sūpaną | Proto-Germanic (gem-pro) | To drink; sip; slurp; gulp. |
| *saipǭ | Proto-Germanic (gem-pro) | Soap. |
| sopa | Old English (ang) | |
| sāpe | Old English (ang) | |
| sape | Middle English (enm) | |
| soap | English (eng) | (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 [...] |
| no soap | English (eng) | It is (or was) a failure. |