Comparative evidence

terh₂

• Hitt. tarra- 'be able'  (EDHIL: 832f.)

• Hitt. tarhu-, tarh- 'conquer', 'overcome', 'prevail', 'be able', 'defeat', 'be powerful' (EDHIL: 835ff.)

• Hitt. tarhuili- 'strong', powerful' (EDHIL: 835ff.)

• Hitt. tarhuilatar 'heroism', 'courage' (EDHIL: 835ff.)

References

EDHIL = Kloekhorst, A. 2008. Etymological Dictionary of the Hittite Inherited Lexicon. Brill.