PS

*ynḳ - to suck (SED I No. 83ᵥ)

Akkadian
enēḳu - to suck (CAD E 165, AHw. 217)
Ugaritic
ynḳ - to suck (DUL 971)
Hebrew
ynḳ - to suck (HALOT 416)
Old Aramaic
ynḳ - to suck (DNWSI 461)
Official Aramaic
ynḳ - to suck (DNWSI 461)
Jewish Palestinian Aramaic
ynḳ - to suck (DJPA 242)
Jewish Babylonian Aramaic
ynḳ - to suck (DJBA 538)
Syriac
ynḳ - to suck (LSyr. 304, SL 577)
Mandaic
ynḳ - to suck(le) (MD 192)
Turoyo
ynḳ - I. saugen (to suck) (RG 655)
Arabic
nqw/y - tirer la moelle d’un os (to pull the marrow out of a bone) (BK 2 1335)
may be connected
Mehri
ḥənūḳ - to give a small child drink from a lipped jug (ML 183)
is likely related
Jibbali
ḥónúḳ - to feed a baby from a feeding-jug (JL 113)