>>131476
Historical Timeline and Meaning Shift
13th–14th Century: Entered Middle English (boi/boye) meaning a servant, slave, rogue, or person of low social rank.
14th Century: Began to take on the meaning of a male child before puberty or a young assistant.
15th–17th Century: Shifted to primarily designate a young male, while also retaining a pejorative use for men of low social status or non-white servants regardless of age.