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"pertaining to the stars," c.1600, from Late Latin astralis, from Latin astrum "star," from Greek astron (see astro-). Meaning "pertaining to supersensible substances" is from 1690s, popularized late 19c. in Theosophy.
astral as·tral (ās'trəl)
Of, relating to, emanating from, or resembling the stars.
Of, relating to, or shaped like the mitotic aster; having the shape of an astrosphere; star-shaped.
A programming language based on Pascal, never implemented.
["ASTRAL: A Structured and Unified Approach to Database Design and Manipulation", T. Amble et al, in Proc of the Database Architecture Conf, Venice, June 1979].