swell up; but only used in the implied sense

trans., (of men, ); pass., : , . to bring forth, produce to beget to spring up, grow Lk 8:6 8 Intrans., in 2 aor., pf., plpf., and rarely in pres. (v. LS, s.v., A, II.), : .† to spring up He 12:15

probably originally, to "puff" or blow, i.e. to swell up; but only used in the implied sense, to germinate or grow (sprout, produce), literally or figuratively

spring (up)