Medical Root
onych/o
onych/o means nail (from the Greek onyx, meaning nail or claw).
What does onych/o mean?
The root onych/o means nail, referring to the nails of the fingers and toes. It comes from the Greek word onyx. It appears in words about the nails and their conditions. For example, onychomycosis is a fungal infection of the nail. It often appears in dermatology terms alongside derm/o, which means skin.
Example words using onych/o
Related word parts
Frequently asked questions
What does onych/o mean?
The root onych/o means nail and comes from Greek.
What is onychomycosis?
It is a fungal infection of the nail, combining onych/o with myc/o (fungus) and -osis.
What does onycholysis mean?
It means separation of the nail from its nail bed, combining onych/o with -lysis (loosening).
Study reference only — not medical advice. Always consult qualified sources for clinical decisions.