カ, ケ, いえ, や, うち, あり, え, く, つか, べ
house, home, family, professional, expert, performer
JLPT4 G2 S10 F133
宀 roof/building + 豕 pig/boar, here a variant form of 亥# (pig/boar stretched taut for slaughter) → pigs/boars confined in a hut or shed and awaiting slaughter → *house*/*household* → *home*; *family*; *shop*; *store*; *business* → *dealer*; *seller*; *specialist* (← tradesman operating a particular business).
[Full Kanji Etymology List]