最終更新日：2024/07/28

first / (linguistics, genetics) most recent common ancestor (often hypothetical) of / (chemistry) Relating to protons and/or positive charge.

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proto-

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proto-

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first / (linguistics, genetics) most recent common ancestor (often hypothetical) of / (chemistry) Relating to protons and/or positive charge.

The scientist discovered a new protozoan species.

意味（1）

first

意味（2）

(linguistics, genetics) most recent common ancestor (often hypothetical) of

All Indo-European languages from Albanian to Zazaki are descended from Proto-Indo-European.

意味（3）

(chemistry) Relating to protons and/or positive charge.