BT Yom 69a(24) :٠٠٠ <נ>מטא גמדא דנרש‏ : shrunk felt of GN
See the entire entry for gmd adj. shrunk (?)

BT Yom 69a(24) : ٠٠٠ <נ>מטא גמדא‏ : shrunken felt
See the entire entry for namṭā n.f. felt cloth