tirn (i dirn, o thirn, also -dir at the end of compounds), no distinct pl. form except with article (i thirn). "”, the literal meaning of a word translated SPY (q.v.)
Quenya
tirmo
noun. watcher
Element in
Elements
Word Gloss TIR “watch (over), look at, observe, gaze at, watch (over), look at, observe, gaze at; [ᴹ√] guard” -mo “agental suffix”
@@@ a noun formed from the verb tir- “to watch” with the agental suffix -mo.