noun
or et·rog eˈthrōg, et.ˈrōg, ˈ ̷ ̷ˌ ̷ ̷ ; or es·rog ˈesˌrōg
( plural eth·ro·gim or et·ro·gim ˌethrōˈgim, ˌet.r- ; or es·ro·gim esˈrōgim ; or ethrogs or etrogs or esrogs )
Etymology: Hebrew ethrōgh
: the fruit of the citron ( Citrus medica ) anciently used with the palm branch in the celebration of Sukkoth and still used by Jews as a symbol of that occasion — compare lulab