Where does “ гравита́ция” come from?

гравита́ция (Russian) comes from New Latin gravitatio, from Latin gravis, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

Ancestry of “ гравита́ция”, step by step

StepLanguageWordMeaning
1New Latingravitatiogravitation
2Latingravisheavy; troublesome, hard; grave, serious
3Proto-Indo-Europeangʷréh₂usheavy
4Proto-Indo-European-usForms adjectives from Caland system roots
Every word from Proto-Indo-European -usEvery word from Proto-Indo-European gʷréh₂usEvery word from Latin gravis