, [aorist
كَثِ3َ,] verbal noun كَثَاثَةٌ, It (a thing) became thick, or dense. (S.)
2.
كَثَّ, aorist
كَثِ3َ, verbal noun كُثُوثَةٌ and كَثَاثَةٌ; and كَثَّ, originally كَثِثَ, aorist
كَثَ3َ, verbal noun كَثَثٌ; It (hair) became thick, or dense, without being long. (Msb.)
3.
كَثَّتِ اللِّحْيَةُ, (aorist
كَثِ3َ, TA, or
كَثُ3َ, A,) verbal noun كَثَاثَةٌ and كُثُوثَةٌ and كَثَثٌ, (and كَثٌّ, TA,) The beard became thick, or dense; and short and crisp; (K;) not spreading. (TA.)