Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

tereva

adjective. fine, acute, fine, acute, *keen; [ᴱQ.] sharp, piercing, shrill [of sound]; acute (pain)

Cognates

  • N. trîw “fine, very slender” ✧ Ety/TER
  • Ilk. trêw “fine, slender” ✧ Ety/TER

Derivations

  • ᴹ✶terēwā “piercing, keen” ✧ Ety/TER
    • ᴹ√TER “pierce” ✧ Ety/TER

Phonetic Developments

DevelopmentStagesSources
ᴹ✶terḗwā > tereva[terēwā] > [terewā] > [terewa] > [tereva]✧ Ety/TER

aika

adjective. sharp

Cognates

  • N. oeg “sharp, pointed, piercing” ✧ Ety/AYAK

Derivations

  • ᴹ√AYAK “sharp, pointed” ✧ Ety/AYAK

Element in

  • ᴹQ. aikale “peak” ✧ Ety/AYAK
  • ᴹQ. aikasse “mountain peak” ✧ Ety/AYAK
  • ᴺQ. alaica “blunt”

Phonetic Developments

DevelopmentStagesSources
ᴹ√AYAK > aika[aika]✧ Ety/AYAK