Proto-Austric: *kul
Meaning: carry
Austroasiatic meaning: back; to carry on one's back
Proto-Austronesian: *pikul
Austronesian meaning: shoulder load (not in B)
Proto-Thai: ZhT *go:NA to carry smth. by means of a stick on the shoulder
References: Ben 247, Peiros 1998, 85-86 (AN-Tai)