According to the custom of the priest's office, his lot was to burn incense when he went into the temple of the Lord.
according to the custom of the priest’s office, his lot was to enter into the temple of the Lord and burn incense.
κατα το εθος της ιερατειας ελαχεν του θυμιασαι εισελθων εις τον ναον του κυριου
kata to ethos tēs ierateias elachen toy thymiasai eiselthōn eis ton naon toy kyrioy