cousin-german

noun3

1. •
   Protolampra sobrina, a moth of the family Noctuidae
2. •
   (no longer used) A first cousin.
3. •
   (figurative, no longer used) Something closely related.

   • "Have a care what you do, Grantly, this Indian is cousin-german to the Old Nick, and he can read your intentions like print." — 1899