chalybeousadj.

/kəˈlɪbɪəs/Etymology: < Latin chalybēius Chalybeian, of steel + -ous suffix.
the world > matter > colour > named colours > blue or blueness > [adjective] > metallic blue
1826 W. Kirby & W. Spence IV. xlvi. 283 Chalybeous... The blue splendour of steel case-hardened, or of the mainspring of a watch.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2020).