椅 yǐ chair
Made up of [木 mù wood; wooden radical 75, 奇 qí strange; odd; weird ]Made with 12 strokes.
The wood radical suggests somthing made from wood, the 'strange' element probably originally provided the sound but this has changed from 'qi' to 'yi'
Related characters
Also uses 木 mù component: 板 bǎn (board) 杯 bēi (cup) ; 本 běn (root) ; 菜 cài (vegetable) ; 彩 cǎi (color) ; 茶 chá (tea) ; 柴 chái (firewood) ; 床 chuáng (bed) ; 杆 gān (pole) ; 果 guǒ (fruit) ; 机 jī (machine) ; 禁 jìn (to prohibit) ; 禁 jìn (to prohibit) ; 桔 jú (tangerine) ; 棵 kē (of plants) ; 来 lái (arrive) ; 李 lǐ (plum) ; 梨 lí (pear) ; 林 lín (forest) ; 楼 lóu (multi-story building) ; 棋 qí (board game) ; 秦 qín (Qin) ; 亲 qīn (parent) ; 柔 róu (soft) ; 杀 shā (to kill) ; 树 shù (tree) ; 术 shù (method) ; 宋 song (Song) ; 条 tiáo (strip) ; 未 wèi (not yet) ; 闲 xián (to stay idle) ; 相 xiāng (each other) ; 校 xiào (school) ; 植 zhí (to plant) ; 枝 zhī (branch) ; 桌 zhuō (table)