earthwards
From Longman Dictionary of Contemporary Englishearthwardsearth‧wards /ˈɜːθwədz $ ˈɜːrθwərdz/ (also earthward /-wəd $ -wərd/) adverb TTAtowards the earth’s surface The missile fell earthwards. —earthward adjectiveExamples from the Corpusearthwards• Moments later he tripped and was falling earthwards.• For some inexplicable reason her spirits seemed to plummet earthwards.• Eventually I began my fall earthwards, expecting for all the world to land on the Tarmac.