pervigilium

We have never known any one who fell in, at the first trial, with the proper rhyme and cadence of the _pervigilium Veneris_, or the choral lyrics of the Greek dramatists.

Famous Reviews R. Brimley Johnson 1899

I was besides encumbered by my duties to Sir William, whom it fell upon me to entertain; for my lord was quite sunk into a state bordering on pervigilium, watching the woods with a rapt eye, sleeping scarce at all, and speaking sometimes not twenty words in a whole day.

The Journey in the Wilderness 1889

A disposition to convulsions and that incessant sleeplessness, called by physicians pervigilium, or constant watching.

Lectures on the Utility of Temperance Societies. Lecture I. On Intemperance as a National Evil. Lecture II. On Intemperance as a Source of Disease. Lecture III. On Temperance Societies 1832