Comparative evidence

kreh₁, kreh₁i̯

• Lat. certus -a, -um ‘fixed’, ‘settled’, ‘determined’, ‘certain’, ‘particular’ (OLD: 304)

• Lat. cernō -ere ‘sift’, ‘distinguish’, ‘separate’, ‘decide’, ‘determine’ ‘perceive’ (OLD: 302)

• Lat. crībrum ‘a sieve’ (OLD: 459)

References

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