The Pali Text Society's Pali-English dictionary - Tuninst.net

Pa° (indecl.) [Ved. pra, Idg. *pro, cp. Gr. Trpii, Lat. pro.
Goth, fra, Lith. pra, pro. Oir. ro-l directional prefix of
forward motion, in applied sense often emphasising the
action as carried on in a marked degree or even beyond
its mark (cp. Ger. ver- in its function of Goth, fra &
Ger. vor). Thus the sphere of pa- may be characterised
in foil, applications: i. forth, forward, out: papatati
fail forward, i. e. down ; 'neti bring forth (to) ; °ganhati
hold out ; "tharati spread forth ; °dhavati run out
°bajati go forth ; "sareti stretch out ; etc. — 2. (intensive)
in a marked degree, more than ordinarily (cp. E. up in
cut up, heap up.