sup"sip," O.E. supan (W.Saxon), suppan, supian (Northumbrian) "to sip, swallow," from P.Gmc. *supanan (cf. O.N. supa "to sip, drink," M.L.G. supen, Du. zuipen "to drink, tipple, booze," O.H.G. sufan, Ger. saufen "to drink, booze"), from PIE *sub-, from base *seue- "to take liquid" (cf. Skt. sunoti "presses
out juice," soma; Avestan haoma, Pers. hom "juice;" Gk. huetos "rain," huein "to rain;" L. sugere "to suck," succus "juice, sap;" Lith. sula "flowing sap;" O.C.S. soku "sap," susati "suck;" M.Ir. suth "sap;" O.E. seaw "sap").