Where does “antigravedad” come from?

antigravedad (Spanish) comes from Spanish gravedad, from Spanish gravé, from Old Spanish grave, from Latin gravis, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

antigravedad (Spanish): antigravity

Definitions

antigravity

Ancestry of “antigravedad”, step by step

Step	Language	Word	Meaning
1	Spanish	gravedad	seriousness, severity; gravity
2	Spanish	gravé	serious, grave
3	Old Spanish	grave	—
4	Latin	gravis	heavy; troublesome, hard; grave, serious
5	Proto-Indo-European	gʷréh₂us	heavy
6	Proto-Indo-European	-us	Forms adjectives from Caland system roots

Every word from Proto-Indo-European -us →Every word from Proto-Indo-European gʷréh₂us →Every word from Latin gravis →