T-S 16.311 · CUDL image 2 · line 15 · Hebrew
Is the first letter of the word before ארבעים a כ?
uncertainopen

Our reading
כשנים ארבעים — כ read at 3×
CD-B col. XX l. 15
Comparison
◦שנים ארבעים — “Rabin reads כשנים”
E. Qimron, The Dead Sea Scrolls: The Hebrew Writings, vol. 1 (2020 revision), p. 20
Answer this reading
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Detail reproduced from Cambridge University Library, T-S 16.311 · CC BY-NC 3.0