Japanese 蛍

← English fluorescence (mention)

← Japanese 火 (mention)

← Japanese 炎 (mention)

← Japanese 火屋 (mention)

← Japanese 垂る (mention)

← Japanese 垂れる (mention)

← Japanese 照る (mention)

→ Japanese 蛍雪の功 (mention)

→ Japanese 蛍火 (affix)