The story
From ca(rboxylate) + pe(ntyl) + -citabine (“cytarabine or azacytidine derivative”).
Etymology from Wiktionary, CC BY-SA 4.0.
capecitabine
Today it means: An antineoplastic drug C₁₅H₂₂FN₃O₆ (trademark Xeloda) that is converted in the body to fluorouracil and is administered orally to treat colorectal cancers and often in conjunction with docetaxel to treat metastatic breast cancer. Full definition →