Comparative evidence

ḱeh₃, ḱeh₃i̯

• Arm. sowr s. 'sword', 'sabre', 'glaive', 'rapier', 'steel', 'knife', etc. fig. 'plague'; 'bulimy' mus. 'an Armenian note' (Bedrossian 1879: 649)

• Arm. sowr a. 'sharp', 'pointed', 'piercing', 'cutting', 'trenchant'; 'penetrative', 'acute', 'perspicacious', 'keen', 'subtle', 'lively' s. 'sharpness'  ad. 'sharply';gr. 'acute accent' (Bedrossian 1879: 649)

References

Bedrossian 1879 = Bedrossian, M.M. 1879. New Dictionary Armenian - English. Venice: S. Lazarus Armenian Academy.