Bocher

Etymology
The word was borrowed via  which in Western Yiddish applied the senses of “,, ”,  “Talmud student”, especially “Talmud student who gave lessons to Jewish children in exchange for board and lodge”, “teacher of religious education”, “Jewish teacher”, “assistant schoolmaster”, from. Sense 2 is attested since the 18th century. Sense 4 is also attested since the 18th century and developed as an extension of the Yiddish sense “the one who is studious in the teachings of the Talmud; student of a rabbi”. Senses 8 and 9, also extensions of the aforementioned Yiddish sense, are attested since 1862 and were borrowed from Rotwelsch.

Noun

 * 1) young man who has not yet reached adulthood; youngling, youngster, youth
 * 2)  Jewish young man who has not yet reached adulthood; Jewish youngling, Jewish youngster, Jewish youth, young Jew
 * 3) rabbinical student
 * 4)  student
 * 5)  poor Jewish student
 * 6)  Jewish (male) teacher
 * 7)  rabbi of the village
 * 8)  experienced police officer
 * 9)  police officer who is well versed in thieves and their “Gaunersprache” (≈ thieves' argot)
 * 10)  Jewish bridegroom
 * 11)  clumsy, inept, simple-minded person
 * 1)  poor Jewish student
 * 2)  Jewish (male) teacher
 * 3)  rabbi of the village
 * 4)  experienced police officer
 * 5)  police officer who is well versed in thieves and their “Gaunersprache” (≈ thieves' argot)
 * 6)  Jewish bridegroom
 * 7)  clumsy, inept, simple-minded person
 * 1)  police officer who is well versed in thieves and their “Gaunersprache” (≈ thieves' argot)
 * 2)  Jewish bridegroom
 * 3)  clumsy, inept, simple-minded person