continued. Literally "sat". Figure of speech Synecdoche (of species). "Sit" used of a permanent condition.
a year and six months. In A.D. 52-53. During this period Paul wrote 1 Thess. (A.D. 52) and 2 Thess. (A.D. 53), and probably Hebrews. See introductory notes to these epistles and App-180.