yī
clothes
衤 is a component form of 衣, which is a pictograph of a shirt or coat.
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Western Jin dynasty (266-316 AD)Regular script
ModernComponent uses
Meaning component in 70 characters (16 verified)
裡 被 複 补 補 裤 褲 衫 裙 衬 襯 褐 袜 襪 衹 裀 袖 裕 袴 裸 袍 襟 褂 褪 袱 褥 袄 襖 袒 褶 褚 裆 襠 褛 褸 褴 襤 袂 衲 衩 裱 褡 褓 襁 袢 裢 褳 裰 袷 裾 裥 褫 衽 裉 裼 衿 裎 袼 裣 褊 褙 襻 襦 襢 褵 襫 袟 袯 裇 褟
Sound component in 1 character (0 verified)
Sources
季旭昇《說文新證》p.663