難
ナン, かた.い, がた.い, むずか.しい, むづか.しい, むつか.しい, にく.い, な, なに

difficult, impossible, trouble, accident, defect

JLPT3 G6 S18 F330

As per ?# as described in 漢 (stretch over a fire) + 隹 short, squat bird → bird stretched over a fire in being grilled → *difficult*; *disaster* (← tribulation as intense as being grilled over a fire) → *defect*; *flaw*; *misfortune*.

[Full Kanji Etymology List]