Japanese 強い

← English freeze (mention)

← English hard (mention)

← English stiff (mention)

← Japanese 怖い (mention)

← Japanese 凝る (mention)

← Japanese 凍ゆ (mention)

← Japanese 凍える (mention)

← Proto-Japonic *tuyo (inherited)

← Miyako 強 (cognate)

← Okinawan 強ーさん (cognate)

→ Japanese 強か (mention)

→ Japanese 心強い (mention)

→ Japanese 辛抱強い (compound)

→ Japanese 力強い (compound)

→ Japanese 我慢強い (compound)

→ Japanese 忍耐強い (compound)