Bar and Bat Mitzvah "son" (), while "bat" () means "daughter" in Hebrew, and "mitzvah" () means "commandment" or "law" (plural: "mitzvot"). Thus "bar mitzvah" and "bat mitzvah" literally translate to "son of commandment" and "daughter of commandment". However, in rabbinical usage, the word "bar" means "under the category of" or "subject to". "Bar mitzvah" therefore translates to "an [agent] who is subject to the law". Although the term is commonly used to refer to the ritual itself, in fact the phrase originally refers to the person. The modern method of celebrating becoming a bar mitzvah did not exist in the time of the
Bar and Bat Mitzvah the minyan" ceremony, in which boys of thirteen and girls of twelve recited a blessing) since the mid-19th century. There were also bat mitzvah rituals held in the 19th century in Iraq. All this may have influenced the American rabbi Mordecai M. Kaplan, who held the first public celebration of a bat mitzvah in the United States, for his daughter Judith, on March 18, 1922, at the Society for the Advancement of Judaism, his synagogue in New York City. Judith Kaplan recited the preliminary blessing, read a portion of that week's Torah portion in Hebrew and English, and then intoned