Auctio

Auctio is a Latin noun that can mean increase or augmentation, and in later contexts it is used to designate a public sale by bidding, i.e., an auction. In classical and late Latin, the term captured both the idea of growth or rise in value and the specific practice of selling goods through a drawn-out bidding process where prices rise as participants bid.

Etymology and usage: Auctio is formed from the verb augere, meaning to increase, with the nominal suffix -tio, yielding an abstract or collective sense related to the act of increasing. In Roman legal and commercial literature, auctio appears in discussions of property sales and price movements, and it came to be used more explicitly for public auctions. The sense related to growth is common in older Latin, while the sale-by-bidding sense is more prominent in economic and legal texts.

Modern context: Today, the English word auction derives from Latin auctio through Old French, and while auctio as a Latin term is largely of historical or scholarly usage, it remains a reference point in discussions of classical commerce and legal practices. In contemporary Latin-language scholarship, the word may be cited when describing ancient auction practices or when explaining the etymology of related terms in Romance languages.