Crossword clue: the space of seven nights and days; a week. shak. tennyson.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
The space of seven nights and days; a week. [Written also se'nnight.] [Archaic.] Shak. Tennyson.