Left: hill 阝(If this radical is at the left of a character, it means "hill", otherwise: "village"), right: finished/complete: 完 (A roof 宀 needs an origin 元 [= groundwork, seating] to be finished and complete.) [Origin: 元 =two 二 legs 儿]
Mnemonic
(An institute needs a lot of space:) The hill is completely used by the: Institute.
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