Hebrew and Greek Strong's Dictionary with all the definitions plus combined with every place that word is used in the definitions.
Complete index of every word used in both the Hebrew and Greek Strong's Dictionary in English Word order.
Hebrew and Greek Expanded Dictionary
firstbegotten 4416 - prototokos {pro-tot-ok'-os}; from 4413 and the alternate of 5088; first-born (usually as noun, literally or figuratively): -- {firstbegotten}(-born).