tî (i dî, o thî) (line), no distinct pl. form except with article (i thî), coll. pl. tíath;
Noldorin
tî
noun. line, row
tî
noun. line, row, line, row; [G.] straight
tîr
adjective. straight, right
lhîr
noun. row, range
lhîr
noun. row
othlon
noun. paved way
othlond
noun. paved way
rada-
verb. to make a way, find a way
taer
adjective. straight
taer
adjective. straight
tê
noun. line, way
Written tær (with ae-ligature) in the Etymologies, rectified here according to VT/46:18 (which also lists the ligature)