Note 24 — Chapter II · LATER GREEK AND ROMAN DESIGN

Hypæthral: Open to the sky; Hypæthral opening, a space uncovered, part of a Greek temple, perhaps entirely unroofed, perhaps only having a roof partly opened in sky-lights. Hypæthral Theory: any one of several opinions as to the possible lighting of the interior of a temple from above, either through the roof, or by the partial omission of a roof so as to form a central open court.