Weekend

wiktionary

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From week +‎ end. Originally a Northern England regionalism (see 1903 quotation), in more general use from late 19th century. [1] [2] Compare West Frisian wykein(“weekend”), Dutch weekeinde(“weekend”), German Low German Wekenenn(“weekend”), German Wochenende(“weekend”).

etymonline

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weekend (n.)

also week-end, 1630s, from week + end (n.). Originally a northern word (referring to the period from Saturday noon to Monday morning); it became general after 1878. As an adjective, "only on weekends," it is recorded from 1935. Long weekend attested from 1900; in reference to Great Britain in the period between the world wars, 1944.