homologous

Meanings

1. 1
   adj

   similar in position, structure, or origin, especially because of shared ancestry

   A bat wing and a human arm are homologous structures.

2. 2
   adj

   showing a close correspondence or similarity

   The two legal systems have homologous institutions.

From Greek homologos, "agreeing," built from homos, "same," and logos, "word, account, relation." Biology narrowed it to structures sharing evolutionary origin.

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