sablyadv.
/ˈseɪbli/, U.S. /ˈseɪb(ə)li/ Darkly, blackly.
ΘΚΠ
the world > matter > colour > named colours > black or blackness > [adverb]
sably1831
1831 Fraser's Mag. 3 336 The sably snowy swan.
1887 Mrs. C. Reade Maid o' Mill II. xxxviii. 285 A funeral train streams sably down Ewshot Hill.
This entry has not yet been fully updated (first published 1909; most recently modified version published online March 2022).
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adv.1831