PWS

*kwn - to be (Kogan 2015: 86)

Akk. kânu ‘to be firm in place, to remain stationary, to be reliable, correct’ provides a suitable source of semantic development

PS
*kwn/*kyn - to be steadfast, sure, reliable (Kogan 2015:560)

Ugaritic
kn - to be (stable), have (DUL 447)
Phoenician
kn - to be, to exist, to happen (DNSWSI 493)
Arabic
kwn - to be (Lane 3004)
Sabaic
kwn - to be, take place, occur (SD 80)
Minaean
kwn - to be (LM 54)
Qatabanian
kwn - to be (LIQ 84)
Geez
kona - to be, become, exist (CDG 299)
Jibbali
kun - to be (JL 138)