Comparative evidence

kagʰ, ḱagʰ

• Lat. incohō -āre ‘start making or forming’, ‘set on foot’, ‘start’, ‘begin’ (OLD: 871)

• Lat. cohum -ī, n. ‘the hollow in the middle of a yoke, into which the pole fitted’, ‘the thong used to attach the pole to the yoke’ (OLD: 349)

References

OLD = Glare, P. G. W. 1968. Oxford Latin Dictionary. Oxford: Clarendon Press.