forestroke

noun2

1. •
   A forward stroke or movement.

   • The endopods of the second maxilla and of the trunk limbs flick medially at the termination of the forestroke and the posterior setae of the endopod are pointed medially. — 1963
2. •
   An ornament in which one or more notes are added before the principal note, such as an appoggiatura or acciaccatura

   • Yes, and we call it a waving forestroke. It sometimes waves upward, sometimes downward. — 1882