户 (hù)

Origin:

甲骨文的“户”字像一扇门的样子,本义是“一扇门”,也引申为“住户”等。
On oracle bone inscriptions, “户” looks like a door. Its original meaning is “a door,” which extended to “household” and similar meanings.

Meaning:

door, family

Words:

户籍(hùjí): domicile
户口(hùkŏu): Chinese system of residence registration
户头(hùtóu): bank account
户外(hùwài): outdoors
户主hùzhǔ/head of the house 

Sentences:

1、我的银行户头里有不少美金。
Wǒde yínháng hùtóu li yǒu bùshǎo měijīn.
There are many American dollars in my bank account.

2、Nǐ zhōumò de shíhou yīnggāi qù hùwài zǒuzou.
你周末的时候应该去户外走走。
You should go outdoors on the weekends.

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