Acronyc
Acronyc ({not transcribed}) , adjective
[Greek 'akro`nychos at nightfall; 'a`kros + ny`x night.]
(Astronomy) Rising at sunset and setting at sunrise, as a star; -- opposed to cosmical.
The word is sometimes incorrectly written acronical, achronychal, acronichal, and acronical.
Also: Acronychal