ob&
In'gilische—Türkche Lughet (FreeDict, 2017)
ob /nɛptjˈuːniən/
1. Obi nehri.
Özbekche—In'gilische Lughet (Dirks, 2005)
ob
pref.: (Persian) water: used in constructions such as ~i diyda, ~i yovg'on, etc.; amalgam, silvering (paint used on the back of a mirror). ~ bo'l- to become soggy. ~ ber- to paint (with amalgam).