metronymic /met-rə-nimˈik/ or matronymic /mat-/

1. Derived from the name of one's mother or other female ancestor
2. Indicating the mother
3. Using such a system of naming

A name so derived (cf patronymic)

• cyesis
• cygnet
• cygnets
• Cygnus
• cylices
• cylinder
• cylinder block
• cylinder blocks
• cylinder head
• cylinder heads
• cylinder lock
• cylinder locks
• cylinders
• cylinder seal
• cylinder seals
• cylindraceous
• cylindric
• cylindrical
• cylindrical grinding
• cylindrically
• cylindricities
• cylindricity
• cylindriform
• cylindrite
• cylindrites