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adjective

soporífero

/sopoˈɾifeɾo/

adjective/sopoˈɾifeɾo/

soporific (tending to induce sleep)

Synonyms: somnífero, soporífico

From Latin sopōriferum, accusative form of sopōrifer, derived from sopor (“sleep”), ultimately from Proto-Indo-European *swep- (“to sleep”).