Astral

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early 17th century: from late Latin astralis, from astrum ‘star’.

wiktionary

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From Late Latin astralis, from Latin astrum(“star”), from Ancient Greek ἄστρον(ástron, “star”).

etymonline

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astral (adj.)

c. 1600, "pertaining to the stars," from Late Latin astralis, from Latin astrum "star," from Greek astron "a star" (from PIE root *ster- (2) "star"). Meaning "pertaining to supersensible substances" is from 1690s, popularized late 19c. in Theosophy.