Tarn, sb. a small lake. Jamieson. O. N. tjörn, a small lake, Norse tjönn, tjörn, Sw. tjärn, M. E. terne, a lake. Particularly Sco. and N.W. Eng. Cp. Shetland shon, shoden, a pool, a little lake. The last example exhibits W. Norse change of rn to dn. The form tjödn occurs in Sogn, Norway.
Tath, sb. Jamieson. O. N. tað. See Wall.
Teal, till, vb. to entice. Wallace, VI, 151, and Jamieson. O. N. tæla, to entice, related to Norse telja. Sco. tealer, sb. Jamieson. The form in i is strange.
Teynd, teind, sb. tithe. C.S., 123; Lyndsay, 152, 4690; Rolland, I, 546. O. N. tíund, the tenth, the tithe, Norse tiende, Dan. tiende, the regular ordinal of ti.
Tha, dem. pron. these, those. Same form in all cases. Wallace, X, 41; Wyntoun, I, 1, 6. O. N. þeir.
Theck, vb. to thatch. Ramsay, II, 224. Has been taken as a loan-word from O. N. þekja, to thatch, Norse tekka, Sw. täcka. Cp. O. E. þeccan. Theck probably comes from O. Nhb. þecca.
Thir, dem. pron. these, those. Bruce, I, 76; Dunbar, G.T., 127; Lyndsay, 4, 20, 1175; R.R., 108. O. N. þeir. Cp. M. E. þir, þer, those, Cu. thur.
Thra, adj. eager. Bruce, XVIII, 71. O. N. þrár, obstinate, persistent, Norse traa, untiring, also wilful, Sw. dial. trå, M. E. þra, bold, strong, thraly, adv. Wyntoun, II, 8, 55; VII, 8, 186. See Wall. Skeat cites Eng. dial. thro.
Thra, adv. boldly. Dunbar, T.M.W., 195. See above, thra.
Thraif, sb. two stooks or twenty-four sheaves of grain. Dunbar, 228. O. N. þrefi, a number of sheaves, Dan. trave, Sw. trafwe, twenty sheaves of grain, M. E. þrāve, a bundle, a number, Cu. threve, threeav.