centripetal
adj.
1709, from Modern Latin, coined 1687 by Sir Isaac Newton (who wrote in Latin), from Latin centri- alternative comb. form of centrum "center" (see center, n.) + petere "to make for, go to; seek, strive after" (see petition, n.). Centripetal force is Newton's vim ... centripetam.
〔李〕a.向心的 [pet=to seek] ←centri-，centro-[L] =centre中心
〔蒋〕[centre中心，-i-，pet追求→趋向，-al形容词后缀，…的;’趋向中心的”] 向心的
〔李〕[centr=center中心；-i-;pet=to seek after趋向；-al a.=of……的→“of seeking after the center趋向中心的”→] a. moving towards the center向心的/centripetal force向心力