喬遷

From the Classic of Poetry, poem 165 (《詩經·小雅·伐木》):

伐木丁丁，鳥鳴嚶嚶。
出自幽谷，遷于喬木。 [Pre-Classical Chinese, trad.]

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伐木丁丁，鸟鸣嘤嘤。
出自幽谷，迁于乔木。 [Pre-Classical Chinese, simp.]

From: The Classic of Poetry, c. 11^th – 7^th centuries BCE, translated based on James Legge's version

Fámù zhēngzhēng, niǎo míng yīngyīng.
Chū zì yōugǔ, qiān yú qiáo mù. [Pinyin]

On the trees go the blows zheng-zheng; And the birds cry out ying-ying.
One issues from the dark valley, And removes to the lofty tree.

喬遷

1. (figurative, honorific) to move to a better place; to move to a new house or get a promotion