Vowel harmony ablaut of Middle Korean 거<span class="searchmatch">ᇧ</span><span class="searchmatch">다</span> (keskta, “to break off”). (Morphophonemic) IPA(key): ⫽kàsktá⫽ <span class="searchmatch">가</span><span class="searchmatch">ᇧ</span>다〮 (kàsktá) (infinitive 갓가〮, sequential 갓ᄀᆞ〮니〮)...