somniferous
som·ni·fe·rous
adjective
1.
Origin
From Latin somnifer + -ous, from somnus (“sleep”) + ferre (“to bring”).
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.