throughout
UK: /θruːˈaʊt/ | US: /θruːˈaʊt/
prep. in every part of; during the whole period of
adv. in every part or aspect; from beginning to end
The word "throughout" combines "through" (Old English þurh, meaning "from one side to the other") and "out" (Old English ūt, meaning "beyond" or "external"). Originally, "through" denoted physical passage, while "out" extended the sense of completeness or pervasiveness. Over time, "throughout" evolved to emphasize spatial or temporal totality—e.g., "throughout the house" (everywhere inside) or "throughout the day" (continuously). The fusion reflects a logical progression from literal movement to abstract ubiquity.
Snow covered the ground throughout the winter.
The news spread quickly throughout the town.
She remained calm throughout the ordeal.
The theme is consistent throughout his novels.
The museum displays artifacts from throughout history.