It shall not seem hard to you when you send him free from you, for he has served you six years—double the service of a hired worker—and Hashem your God will bless you in all that you do.
English: "Double the service of a hired worker" — What is the force of "double the service of a hired worker"? A hired worker works only by day, while this one works by day and by night. How so? Rabbi Yitzchak said: This teaches that his master may give him a Canaanite maidservant.
On the daf / in context: The “double” service is explained by the master’s right to assign a Canaanite maidservant, whose offspring belong to the master.
Type of Learning
Derash on the verse (Kiddushin) — the meaning of double service.
What Is Learned
A Hebrew slave’s service is called double because, unlike a day-laborer, he may be given a Canaanite maidservant and thereby serve the master also by night.