Or dera)own {day-raw-one;}; from an unused root (meaning to repulse); an object of aversion -- abhorring, contempt.
Englishman's Concordance
1) aversion, abhorrence Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from an unused root (meaning to repulse) Same Word by TWOT Number: 450a
Brown-Driver-Briggs
דֵּרָאוֺןnoun masculineaversion, abhorrence, absolute ׳דIsaiah 66:24object of abhorrence; construct דִּרְאוֺן עולםeverlasting abhorrenceDaniel 12:2 (on form compare LagBN 200, 202).
דרב (√ of following compare Arabic become accustomed, trained, train, compare Fl NHWBi. 444; also Ethiopic (quadriliteral) jaculando infigere, etc.; or, since דָּרְבָן Aramaic in form, & 1 Samuel 13:21 perhaps secondary, possibly regard as Aramaic loan-word & connect with Arabic be sharp, penetrating (GFM, note of Apr. 1892)).
Isaiah 66:24 HEB:תִכְבֶּ֔ה וְהָי֥וּ דֵרָא֖וֹן לְכָל־ בָּשָֽׂר׃ NAS: will not be quenched; And they will be an abhorrence to all KJV: be quenched; and they shall be an abhorring unto all flesh. INT: will not be quenched become will be an abhorrence to all mankind
Daniel 12:2 HEB:וְאֵ֥לֶּה לַחֲרָפ֖וֹת לְדִרְא֥וֹן עוֹלָֽם׃ ס NAS: [and] everlasting contempt. KJV: [and] everlasting contempt. INT: the others to disgrace contempt everlasting