Japanese 難い

← English difficult (mention)

← English hard (cognate)

← English difficult (mention)

← Japanese 堅い (mention)

← Japanese 連用形 (mention)

← Japanese 憎い (mention)

← Japanese 憎む (mention)

← Japanese 連用形 (mention)

→ Japanese ありがとう (compound)

→ Japanese ありがとう (mention)

→ Japanese 醜い (compound)

→ Japanese 憎い (mention)

→ Japanese かとう (mention)