nounpl. et·rogs, also et·ro·gim
- A western Asian tree (Citrus medica var. etrog) having white flowers and sour yellow fruit.
- The fruit of this tree, used ceremonially in the Jewish festival of Sukkot.
Origin of etrogAramaic and Mishnaic Hebrew 'etrōg from Middle Persian wādrang citron Sankrit mā&tlowdot;ulungam from a source akin to Tamil māta&llowdot;ai, mātu&llowdot;ai Malayalam mātalam