dernly

adverb3

1. •
   (no longer used) Secretly.
2. •
   (no longer used) Sternly, imposingly.

   • next stroke him should haue slaine, / Had not the Lady, which by him stood bound, / Dernely vnto her called to abstaine […] — 1590
3. •
   (no longer used) Sorrowfully; grievously.