実業家
じつぎょうか · jitsugyouka · JLPT N1 · noun
businessman
💼 実業 = real business or industry; 家 = person of a field, so a real-business person
実 means real or actual, 業 means business or industry, and 家 means person of a field, as in 作家 (writer). Together: someone whose real work is running industry.
家 — roof 宀 + pig 豕
Originally a pictograph of a pig under a roof, since domesticated pigs were kept in or under the home in ancient China. Over time the meaning broadened from 'household' to 'family,' and by extension 'home' or a specialist (as in 专家, 'expert').