ðrex- = ðersc-

[ ðrī] = [ðrīe]

ðria = [ðriwa]

[ ðribeddod] (y) three-bedded, having three couches, WW 18424.

ðriccan = [ðryccan]

[ ðridæglic] (eo, y) adj. lasting three days, BH 35032.

[ ðridǣled] (eo, y) tripartite, OEG.

[ ðridda] (y) num. adj. ‘third,’ Bl, Cr, Lcd; AO, CP. ðridde healf two and a half.

ðridung = [ðreodung]

[ ðrīe] (ī, ȳ) num. nam.; nafn. ðrēo; gmfn. ðrēora; dmfn. ðrim (ðreom) ‘three.’