JLPT N1 Vocabulary 先先週 (sensenshuu) week before last JLPT N1 Learning Done Flashcards Recall mode Meaning 先先週 (せんせんしゅう, sensenshuu) is a JLPT N1 vocabulary word meaning “week before last”. Kanji in this word 先 before 週 week ← Previous兎角 All N1 vocabulary Next →此れ等