lukeness en · NOUN
Etymology
From luke + -ness.
Meanings
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(uncountable) The quality of being lukewarm.
The properest Liquors […] for such Work, are those whose Temperament neither fire nor chill, such as become so, not only in their first Acceptance, but are able to maintain a proper Lukeness, ere they dissipate and are scatter'd over the Body […]
1725, James Sedgwick, A new Treatise on Liquors, page 152: