Bit of headway (6)
I believe the answer is:
inroad
(Other definitions for inroad that I've seen before include "Sudden attack made into a country" , "Ordain (anag.)" , "Encroachment, intrusion" , "One's intrusive" , "Offensive" .)
I believe the answer is:
inroad
(Other definitions for inroad that I've seen before include "Sudden attack made into a country" , "Ordain (anag.)" , "Encroachment, intrusion" , "One's intrusive" , "Offensive" .)