An Etymological Dictionary of Astronomy and Astrophysics

1. Gathered together closely.
   
2. Made denser, purer.

Etymology (EN): Past participle of → concentrate.

Etymology (PE): 1) Past participle of hammarkazidan, → concentrate.

2. Dabz “dense, thick, concentrated, coarse,” variants dafzak and gabz;
   Av. bəzuuant- “thick, dense,” bazah- “thickness, denseness;” Baluchi baz “thick, coarse;” Zazaki vezdin “oily, greasy” Ossetic bæzgin “thick, dense;” cf. Skt. bamh “to thicken, become dense;” Gk. pakhos “thickness, density;” PIE base b^heng^h- “to become/make dense, thick” (see Cheung 2007).