odor-free

the compound adjective "odor-free" is a modern formation following a productive english pattern for describing the absence of a quality. the first element, "odor," descends directly from latin odor meaning "smell" or "scent," which itself has proto-indo-european roots related to smelling. the second element, "free," originates from old english frēo, meaning "exempt from" or "not subject to," a concept with deep germanic and ultimately pie ancestry concerning love and belonging, which evolved to denote liberty and absence. when combined, these morphemes create a transparent, logical meaning: "free from odor," directly communicating the state of having no smell, commonly used in product descriptions and technical specifications.

Structure: odor (smell) + free (without) odor (from latin 'odor' meaning smell, noun used attributively) + free (from old english 'frēo' meaning exempt from, not subject to, adjective suffix)