heliacally en · ADV
Etymology
From heliacal + -ly.
Meanings
-
(not-comparable) In a heliacal manner; with the rising or setting sun.
Ceylon has this one disadvantage for purposes of theatrical effect; she is like a star rising heliacally, and hidden in the blaze of the sun: any island, however magnificent, becomes lost in the blaze of India.
1843 November, Thomas De Quincey, “Ceylon”, in Speculations Literary and Philosophic: With German Tales and Other Narrative Papers (De Quincey’s Works; XII), London: James Hogg & Sons, →OCLC, page 37:However from the list of heliacally rising stars in ᵐᵘˡAPIN it is quite clear that AL.LUL must include Prokyon.
1953, B. L. van der Waerden, “History of the Zodiac”, in Archiv für Orientforschung, volume 16, page 219: