نأث doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has an entry for it. Select the entry below for the full classical Arabic definition.

• نَأَثَ Form 1

  1 نَأَثَ عَنْهُ ذ , aor. نَأََ , (inf. n. نَأْثْ, TA,) He became distant, or far removed, from him, or it. (K.) -b2- نَأَثَ, aor. نَأََ , inf. n. نَأْثٌ He was slow, or tardy. (TA.) -b3- Also, inf. n. نَأْثٌ and مَنْأَ…

  View in Lane's Lexicon →