Or Yduthuwn {yed-oo-thoon'}; or Ydiythuwn {yed-ee-thoon'}; probably from yadah; laudatory; Jeduthun, an Israelite -- Jeduthun.
see HEBREW yadah
H3038. Yeduthun
יְדֻתוּן יְדוּתוּן, proper name, masculine usually יְדוּתוּן; יְדֻתוּן2 Chronicles 5:12; 35:15; יְדיּ֯תוּן Psalm 39:1; 77:1; Nehemiah 11:37; 1 Chronicles 16:38; chief of one of the three choirs of the temple (only Chronicles & Psalm-titles) 9:16; 16:38, 41, 42; 25:3 (twice in verse); 25:6; 2 Chronicles 5:12; the king's seer 35:15; his descendants formed one of the perpetual temple choirs יְדוּתוּן בְּנֵי 1 Chronicles 16:42; 25:1, 3; 2 Chronicles 29:14; בֶּןיְֿדיּ֯תוּן Nehemiah 11:17. In Psalm-titles ידותון על Psalm 62:1; 77:1 (Qr); לִידיּתוּן 39:1 (לְ error for עלֿ), all = after the manner of (the choir of) Yeduthun (musical term according to RSOTJC 422, 2nd ed. 143). — see also LagOr ii. 16 ff. and proper name הֵימָן אָסָף, (sub אמן), אֵיתָן (sub יתן).