最も近い共通祖先

もっともちかいきょうつうそせん

expression, noun

•

most recent common ancestor

最	utmost, most, extreme
近	near, early, akin, tantamount
共	together, both, neither, all, and, alike, with
通	traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.
祖	ancestor, pioneer, founder
先	before, ahead, previous, future, precedence