English Wikipedia has an article on:

cuticle

Wikipedia

Learned borrowing from Latin cutīcula (“cuticle, skin”).^[1][2][3] Doublet of cuticula.

• IPA^(key): /ˈkjuːtɪkəl/

• Audio (Southern England):

  (file)

• Rhymes: -ɪkəl

cuticle (plural cuticles)

2. The outermost layer of the skin of vertebrates.

   Synonym: epidermis

   Coordinate terms: (what lies beneath) cutis, dermis

   2. The strip of hardened skin at the base and sides of a fingernail or toenail.

      Synonyms: perionychium, perionyx

      Hypernym: epidermis

      • 1992, Toni Morrison, Jazz, Vintage (2016), page 38:

        By that time she has pushed back his cuticles, cleaned his nails and painted them with clear polish.
4. (zoology) A noncellular protective covering outside the epidermis of many invertebrates.

   Holonym: exoskeleton

6. (botany) A noncellular protective covering outside the epidermis of many plants.
8. A thin skin formed on the surface of a liquid.
10. A protective layer on the shell of a bird's egg.

• (zoology, botany) (outer protective covering): cuticula

• nail
• thumbnail
• toenail
• quick