Musannaf Ibn Abi Shaybah 15753 — On the day of Arafah: is the takbir

Sayyiduna Ibn Umar (may Allah be pleased with them both) said: We set out in the morning with the Messenger of Allah (peace and blessings be upon him) from Mina towards Arafat; some of us were saying the takbir and some the Talbiyah.