Genesis 40:3-4

40:3 so he imprisoned them in the house of the captain of the guard in the same facility where Joseph was confined. 40:4 The captain of the guard appointed Joseph to be their attendant, and he served them. ¹ 

They spent some time in custody. ² 

[40:4]  ¹ sn He served them. This is the same Hebrew verb, meaning “to serve as a personal attendant,” that was translated “became [his] servant” in 39:4.

[40:4]  ² tn Heb “they were days in custody.”