The C. Luwian word ti-ya-am-mi-iš
Word ti-ya-am-mi-iš
Transliteration tiyammi
Meaning earth
See also Hittite: te-e-kan ‘earth’
Proto-Anatolian: *déǵ-m / dǵ-em- ‘earth’

Other words that might be of interest
pa-šu-ú-ri-ya- ‘dust’, a-ri-ya-at- ‘elevation, mountain’, ta-a-ru ‘wood’