The Hattic word ziḫar
Word ziḫar
Meaning wood, building
See also Hattic: ziḫartail ‘carpenter’

Comments
Dunaevskaja 1961: 89

Other words that might be of interest
araz ‘earth’, wūr ‘land, country’, munamuna ‘stones’, zīš ‘mountain’, pīp ‘stone’, šaḫḫu ‘ground, bottom’, kantiuz ‘rock, boulder’, tiuz ‘mountain’