Webster's 1913 Dictionary
YAHWEH; YAHWE; JAHVEH; JAHVE
Yah "weh, Yah "we, n. Also Jah "veh, Jah "ve, etc.
Defn: A modern transliteration of the Hebrew word translated Jehovah in the Bible; -- used by some critics to discriminate the tribal god of the ancient Hebrews from the Christian Jehovah. Yahweh or Yahwe is the spelling now generally adopted by scholars.
New American Oxford Dictionary
Yahweh
Yah weh |ˈyäˌwā, -ˌwe, -ˌvā ˈjɑˌweɪ |(also Yahveh |-ˌvā, -ˌve |) ▶noun a form of the Hebrew name of God used in the Bible. The name came to be regarded by Jews ( c. 300 bc ) as too sacred to be spoken, and the vowel sounds are uncertain. ORIGIN from Hebrew YHWH with added vowels; compare with Jehovah, YHVH .
Oxford Dictionary
Yahweh
Yahweh |ˈjɑːweɪ |(also Yahveh |-veɪ |) ▶noun a form of the Hebrew name of God used in the Bible. The name came to be regarded by Jews ( c. 300 bc ) as too sacred to be spoken, and the vowel sounds are uncertain. ORIGIN from Hebrew YHWH with added vowels; compare with Jehovah .
Sanseido Wisdom Dictionary
Yahweh
Yah weh /jɑ́ːweɪ /〖＜ヘブライ; 語源は 「存在 」〗名詞 〘旧約聖書 〙ヤーウェー, ヤハウェ, エホバ (Jehovah ) 〘イスラエル人の民族的神の名 〙 (!Jehovahよりもこの方が正しいとして一部学者間に用いられる ) .
The Wordsmith Dictionary