hypethral

or hy·pae·thral

[ hi-pee-thruhl, hahy- ]

adjective

1. (of a classical building) wholly or partly open to the sky. Compare clithral.

hypethral

/ haɪ-; hɪˈpiːθrəl /

adjective

1. See hypaethral
   the usual US spelling of hypaethral

Word History and Origins

Origin of hypethral¹

First recorded in 1880–90; from Latin hypaethr(us) or directly from Greek hýpaithros “open to the sky,” equivalent to hyp- hyp- + aîthros “clear sky”; ether ) + -al ¹