etrog

etrog or eth·rog, es·rog [es-rohg, -ruh g, et-; Sephardic Hebrew et-rawg; Ashkenazic Hebrew es-rohg] Word Origin noun, plural et·rogs, et·ro·gim [Sephardic Hebrew et-raw-geem; Ashkenazic Hebrew es-roh-gim] /Sephardic Hebrew ɛt rɔˈgim; Ashkenazic Hebrew ɛsˈroʊ gɪm/.

1. Judaism. a citron for use with the lulav during the Sukkoth festival service.

Origin of etrog From the Hebrew word ethrōgh