nadbaktu (natbāku , nad(a)baktu ; )
[Humanities → Geography → Rivers]
1) a sluice ; 2) : (part of an irrigation system) ; 3) a waterfall , a ravine , a mountain gully ; 4) (worship) : pouring -in honour of a deity- / une libation ;
Cf. tabāku
See also : nadbāktu, tibku, natbāku