The Proto-Indo-European word *k̂ent-
Word *k̂ent-
Meaning sharp
See also Homeric Greek: κεντέω ‘prick, goad, spur on’
Synonyms *h₁edʰ-, *h₂ek̂-, *saiwos

Comments
Greek kentéō 'prick, pierce', Latv sits 'hunting spear'