firmamental

adj — 2 senses

adj

Etymology From firmament + -al (“of, pertaining to”, suffix forming an adjective).

Of, belonging to, or relating to the firmament or heavens; celestial.

But there were certain early winter days in Casterbridge—days of firmamental exhaustion which followed angry south-westerly tempests—when, if the sun shone, the air was like velvet.1886, Thomas Hardy, chapter XX, in The Mayor of Casterbridge:

Rare Of, belonging to, or relating to support or strengthening.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.