Tirwa
Bosworth & Toller Anglo-Saxon Old English Dictionary - tirwa
According to the Old English Dictionary:
tirwe, an;
- tirwa
- m. f. Tar, resin, gum:--Tyrwa bitumen, tyrwan bituminis, Hpt. Gl. 488, 78, 77. On swæce swylce tyrwe smelling of resin, Lchdm. i. 278, 2. Tirwan resinae, Hpt. Gl. 501, 4. Sumne dǽl tyrwan modicum resinae, Gen. 43, 11. Ðú clǽmst mid tyrwan bitumine linies, 6, 14: Homl. Th. i. 20, 33: Ex. 2, 3. Croppas mid tyrwan gesodene, Lchdm. i. 224, 10. Hig hæfdon tyrwan (bitumen) for weallím, Gen. 11, 3. Teorwena, tyrwena naptarum, Hpt. Gl. 445, 29. Dó ðonne ða tyrwan on put the gums in, Lchdm. iii. 14, 24.