瘫
tān · HSK 7
paralyzed
🦽 疒 sickness radical + 难 (difficult) = a sickness that makes moving difficult: paralyzed
瘫 — sickness radical 疒 + 难 (nán/difficult)
A semantic-phonetic compound. The 疒 radical signals illness or bodily affliction, while 难 supplies the sound (originally nán, shifted to tān). The character means paralysis, with 难 hinting at the difficulty of movement that defines the condition.