Etymology

From Proto-Iranian (compare Persian زمین, Avestan 𐬰𐬃 ‎(zā̊)), from Proto-Indo-Iranian (compare Sanskrit क्ष ‎(kṣa)), ultimately from Proto-Indo-European *dʰéǵʰōm (compare Russian земля́ ‎(zemljá), Latvian zeme, Latin humus, Ancient Greek χθών ‎(khthṓn)).