molt
UK: məʊlt | US: moʊlt
vi. (of animals) to shed feathers, hair, or skin periodically
n. the process of shedding feathers, hair, or skin
The word "molt" originates from the Latin mutare, meaning "to change." It entered Middle English via Old French muer (to molt, change), retaining the core idea of shedding or renewal. The spelling "molt" became standard in American English, while "moult" is preferred in British English. The word’s evolution reflects a consistent association with biological transformation, particularly in animals.
Birds molt their feathers annually to maintain healthy plumage.
The snake began to molt, leaving its old skin behind.
During the molt, crabs are vulnerable to predators.
The caterpillar will molt several times before forming a chrysalis.
My dog’s molt leaves hair all over the furniture.