The word is a modern English compound adjective formed by combining two native English elements. "Wood" has a direct lineage from Proto-Germanic, referring to the substance of trees. "Frame" has a more complex journey, originating from a verb meaning "to be profitable" and later shifting to mean "to shape or construct." The suffix "-ed" is a common Germanic adjectival ending. The literal, transparent construction "wood-framed" logically describes an object possessing a structural skeleton made of timber, a concept that became standardized with the development of carpentry and building terminology.

Structure: wood (material) + frame (structure) + ed (adjective suffix) - wood: From Old English wudu, meaning "tree, forest, grove; wood, timber." In this compound, it denotes the material. - frame: From Old English framian meaning "to be helpful, avail, benefit," later evolving through Middle English to mean "to shape, prepare, build." Here, it functions as the noun "frame," meaning a supporting structure. - ed: A suffix of Germanic origin used to form adjectives from nouns, meaning "having, provided with, characterized by."