astrognosy.
Knowledge of the stars, especially the fixed stars; the branch of astronomy dealing with the fixed stars.
Meaning & usage
Knowledge of the stars, especially the fixed stars; the branch of astronomy dealing with the fixed stars.
Where this word comes from
From astro- (prefix meaning ‘star’) + -gnosy (suffix denoting the scientific knowledge of a subject), modelled on German Astrognosie, or its etymon Late Latin astrognosia, from Ancient Greek ἄστρον (ástron, “celestial body; (specifically) fixed star; planet”) (ultimately from Proto-Indo-European *h₂eHs- (“to burn; to glow”)) + -γνωσία (-gnōsía) (from γνῶσις (gnôsis, “inquiry; knowledge”), ultimately from Proto-Indo-European *ǵneh₃- (“to know; to recognize”)).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.