Þyrnet[t]

According to the Old English Dictionary:

es;

þyrnet[t]

n. A place full of thorns, a thicket of thorn-bushes :-- Þirnetum spinetis, of ácynnendlícum l fexedum þyrnetum de spinetis nascentibus (gignentibus), Hpt. Gl. 463, 32-36. Of þiccum þyrnetum senticosis, spinosis, 436, 47. þyrnett