"Gravis" is an adjective from Latin, meaning HEAVY, SERIOUS,
IMPORTANT. Some derivatives of it in English can be:
- graveless;
- gravid;
- gravidity;
- gravidly;
- gravidness;
- gravida (pl.: gravidas OR gravidae);
- gravimeter;
- gravimetric;
- gravimetrically;
- gravimetry;
- gravitate / + d / +ing;
- gravitation;
- gravitational;
- gravitationally;
- gravitative;
- graviton;
- gravity;
- gravy (pl.: gravies).