Mid 16th century; earliest use found in William Tyndale (c1494–1536), translator of the Bible and religious reformer. From earth + -ish. Compare Old Frisian erthisk, ērdsk, Middle Low German ērdesch, ērdisch, Middle Dutch ērtsk (Dutch aards), Old High German irdisc (Middle High German irdisch, erdisch, German irdisch), Old Icelandic jarðesk, Swedish jordisk.
Definition of earthish in US English:
earthish
adjectiveˈəːθɪʃ
Science Fiction
Earthly, of earth.
Origin
Mid 16th century; earliest use found in William Tyndale (c1494–1536), translator of the Bible and religious reformer. From earth + -ish. Compare Old Frisian erthisk, ērdsk, Middle Low German ērdesch, ērdisch, Middle Dutch ērtsk (Dutch aards), Old High German irdisc (Middle High German irdisch, erdisch, German irdisch), Old Icelandic jarðesk, Swedish jordisk.