Korean -이-

← Korean ㄱ (mention)

← Korean ㄹ (mention)

← Korean -게 하다 (mention)

← Korean -어지다 (mention)

← Korean -이- (mention)

← Korean -히- (mention)

← Korean -리- (mention)

← Korean -기- (mention)

← Korean ㄱ (mention)

← Korean ㄹ (mention)

← Middle Korean -이〮- (inherited)

→ Korean -리- (mention)

→ Korean -이- (mention)

→ Korean 기어 (mention)