Sleever

Part of speech: noun

Definitions

1. A person who attaches sleeves to clothing during manufacture ; a plastic cover used to protect and display collectible cards
2. Someone engaged in sewing or affixing sleeves onto fabric items ; a transparent protective case or holder for trading or playing cards
3. A garment worker who installs sleeves on clothing articles ; a clear protective covering or envelope designed to house and preserve individual cards

Etymology: "Sleever" is a simple formation: it takes the noun "sleeve" and adds the suffix "-er", which in English turns a verb or noun into a word for a person or thing that performs an action or is associated with something. Here the base is the noun "sleeve," so "sleever" points to someone or something connected with sleeves, most plausibly a worker who makes, fits, or handles sleeves, or a device used in putting sleeves on or over something.