V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
[पीड् भावे भिदाdenotes that the rest of the word under consideration is to be suppliedअङ्]
Pain, trouble, suffering, annoyance, molestation, agony; आश्रमपीडा R.1.37 'disturbance', 71; मदनdenotes that the rest of the word under consideration is to be supplied, दारिद्र्यdenotes that the rest of the word under consideration is to be suppliedetc.
mūḍhagrāheṇātmano yatpīḍayā kriyate tapaḥ, — That askesis which is pursued under a clouded and deluded idea, performed with effort and suffering imposed on oneself or else with a concentration of… 17·19
पीडयाpīḍayāinstrumental singular of the feminine noun pīḍā (suffering, pain).