P Jn4:14 :ܡܥܝ݂ܢܵܐ ܕܡܲܝܵܐ̈܂ ܕܢܵܒܥܝ݂ܢ ܠܚܲܝܸܐ̈ ܕܲܠܥܵܠܲܡ‏ : a fountain of waters that gush forth into the life eternal
See the entire entry for nbˁ vb. to gush forth