Book of Enoch (1 Enoch) 61:2

And I asked the angel, saying unto him: ‘Why have those (angels) taken these cords and gone off?’ And he said unto me: ‘They have gone to measure.’

Background and history of Book of Enoch (1 Enoch), and issues with this book.

R. H. Charles, The Book of Enoch (London: SPCK, 1917), public domain. The verse text is the English Wikisource transcription of that translation. Charles’s editorial signs are kept. He rearranges some verses in chapters 5, 39, 90, 91, and 106, so those chapters are not a straight 1, 2, 3 sequence.