ᴺS. !urnui adj. “inflammable; touchy, irritable; ⚠️explosive” (Category: to Light, Kindle)
|^orna-||“to burn (tr. and intr.)”|
An adjective in the Gnomish Lexicon of the 1910s glossed “inflammable — touchy, irritable — explosive” derived from primitive early root ᴱ√tudh- (GL/72), where ð became s before stops like k in Gnomish. Since there are no signs of this Gnomish sound change in later Noldorin or Sindarin, this word was likely abandoned.
References ✧ GL/34, 49, 72
|dusc||soft-mutation; t-mutation||“irritable”||✧ GL/34|
|ᴱ√tudh- > tusc||[tuðk] > [tusk]||✧ GL/72|