(一)數之單位。如「第一」或「一位」。
(二)表示所有、皆是之義。
(三)表示平等、絕對之義。碧巖錄第四十五則（大四八‧一八一下）：「僧問趙州：『萬法歸一，一歸何處？』州云：『我在青州作一領布衫，重七斤。』」

佛光電子大辭典

p1

一  (1) One; the number one; single (Skt. eka; Tib. gcig) (2) One, someone, something (ekatya). (3) The same; singular. A single body; a single type (ekadhya).

eka. One, unity, monad, once, the same; immediately on (seeing, hearing, etc.).

A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous

eka, aikya, sakṛt; ananya, anyatama, anyatara, ananyatā, abhinna, alpa, avicitra, ādya, ekatā, ekatya, ekatva, ekadhā, ekadhyam, ekāgratā, ekāṅka, ekī-bhāva, ekoti-bhāva, aikadhyam, kiṃcid, tattva, prathama, sama.

佛教漢梵大辭典, 平川彰 Buddhist Chinese-Sanskrit Dictionary, Akira Hirakawa

p1

eka, aikya, sakṛt; ananya, anyatama, anyatara, ananyatā, abhinna, alpa, avicitra, ādya, ekatā, ekatya, ekatva, ekadhā, ekadhyam, ekāgratā, ekāṅka, ekī-bhāva, ekoti-bhāva, aikadhyam, kiṃcid, tattva, prathama, sama

佛教漢梵大辭典, 平川彰 Buddhist Chinese-Sanskrit Dictionary, Akira Hirakawa

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