Eurasiatic: *cVwV ( ~ *c`-)
Meaning: look, take care
Comments: Cf. *[s]abV, *šVḳV; PA *sígá and PEs *cǝʁaʁ- possibly here.
References: ОСНЯ 1, 202, МССНЯ 367; ND 320 *c[a]wV 'look, look after' (Kartv.+IE+SDr. *sō- 'watch, observe, sign' [for which cf. PA *sāba 'sign']). 
