Strong's G4640 · Greek

σκιρτάω

skirtao · skeer-tah'-o

akin to skairo (to skip); to jump, i.e. sympathetically move (as the quickening of a fetus)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 3 σκιρτάω , -ῶ [in LXX: Ge 25:22 ( רצץ hithpo.), Ps 113 (114):4 , 6 ( רקד ), etc. ;] to leap : Lk 1:41 , 44 6:23 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain