1291  diastellomai  dee-as-
tel'-lom-ahee

 middle voice from 1223 and 
4724; to set (oneself) apart 
(figuratively, distinguish), 
i.e. (by implication) to 
enjoin:--charge, that which 
was (give) commanded(-ment).

 see GREEK for 1223

 see GREEK for 4724