The Proto-Indo-European word *ĝhðem-, ĝhðom-
Word *ĝhðem-, ĝhðom-
Meaning earth
See also Phrygian: ΖΕΜΕΛΩΣ ‘man, human being’
Phrygian: ΓΔΑΝ ΜΑ ‘earth mother’
Thracian: sem(e)la ‘land, earth’
Phrygian: ΚΤΟΝ ‘earth, ground’
Tocharian B: keṃ ‘earth’
Doric Greek: σέμελος ‘snail’
Hittite: te-e-kan ‘earth’
Proto-Anatolian: *déǵ-m / dǵ-em- ‘earth’
Synonyms *dhéĝhōm, *h₁er-

Comments
Russ. земля, Sb. земља, Lith. žemė, Latv. zeme (cf. wiki: Zeme, also referred to as Zemes-mãte, was a Slavic and Latvian goddess of the earth, identical to Lithuanian Žemyna.

Other words that might be of interest
*korpa ‘rock’, *dheu-1 ‘dust, smoke, vapor’, *dór-u- (nom-acc. dóru, gen. derw-ós) ‘tree’, *h₄ék̂mōn ‘stone’, *hₐeĝros ‘pasture, field’, *pérkʷus ‘oak’, *pē(n)s- ‘dust’, *samatha- ‘sand’, *der-, drew- ‘tree, wood’, *bherĝh- ‘mountain, hill’, *bʰerĝh- ‘high, hill’, *dóru ‘wood, tree’, *gʷorhₓ- ‘mountain, forest’, *hₐeig- ‘oak’, *hₓihₓlu ‘mud, swamp’, *kʷrésnos ‘tree, brush(wood)’, *leh₁w- ‘stone’, *lep- ‘stone’, *mai- ‘soil, defile’, *penk- ‘mud, damp’, *pel(i)s- ‘stone, cliff, rock’, *peru- ‘rock’, *samh̥xdhos ‘sand’, *hₐérh₃wr̥ ‘field’, *kolh₁ōn ‘hill’, *pl̥th₂w-ihₐ- ‘country, land’, *widhu ‘tree, forest’