The Hattic word šaḫḫu
Word šaḫḫu
Transliteration sahhu
Meaning ground, bottom

Comments
Kassian 2010

Other words that might be of interest
araz ‘earth’, wūr ‘land, country’, munamuna ‘stones’, ziḫar ‘wood, building’, zīš ‘mountain’, pīp ‘stone’, kantiuz ‘rock, boulder’, tiuz ‘mountain’, pur ‘earth’