This phrase was found in the BHO source reference:
Francis Blomefield, 'Holt hundred: Melton Constable', in An Essay Towards A Topographical History of the County of Norfolk: Volume 9 (London, 1808), pp. 415-426. British History Online http://www.british-history.ac.uk/topographical-hist-norfolk/vol9/pp415-426 [accessed 20 August 2018].
A Regnal calendar to make this easy:
12 Henry II: 19 December 1165 to 18 December 1166