What is the origin of 'sleep tight'?
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Definition of premial in US English:
premial
adjective
Of, relating to, or of the nature a reward, that is a reward.
Origin
Early 17th century; earliest use found in William Struther (c1578–1633), Church of Scotland minister. From post-classical Latin praemialis relating to a reward from classical Latin praemium + -ālis.
