Eventually, they summoned their companion, and he undertook the (outrageous) task and - Surah Al-Qamar ayat 29 in English

﴿فَنَادَوۡاْ صَاحِبَهُمۡ فَتَعَاطَىٰ فَعَقَرَ ﴾
[القَمَر: 29]

Eventually, they summoned their companion, and he undertook the (outrageous) task and hamstrung the she-camel

﴿فنادوا صاحبهم فتعاطى فعقر﴾ [القَمَر: 29]

Abdel Haleem
But they called their companion, who took a sword and hamstrung the camel

Abdul Hye
But they (people of Thamud) called one of their comrades who took (responsibility) and killed (she-camel)

Abdullah Yusuf Ali
But they called to their companion, and he took a sword in hand, and hamstrung (her)

Abdul Majid Daryabadi
Then they called their fellow, and he took the sword and hamstrung her

Ahmed Ali
But they called their commander, who seized and hamstrung her

Aisha Bewley
They called on their companion and he set to it and hamstrung her

A. J. Arberry
Then they called their comrade, and he took in hand, and hamstrung her

Ali Quli Qarai
But they called their companion, and he took [a knife] and hamstrung [her]