Harmonia Nectere Passus

Harmonia Nectere Passus is a spell used to perfect a Vanishing Cabinet's performance.

Draco Malfoy used this spell on Hogwarts' Vanishing Cabinet in order to make a small bird to appear into the one at Borgin and Burkes.

Etymology
Harmonia Nectere Passus derives from the Greek word "harmonia", from "armozo" meaning "to joint", the Latin word "nectere" which means "to tie, bind", and the Latin term "passus" meaning "step, pace", which came from "pati" meaning "suffer, allow, undergo".

Appearances

 * Harry Potter and the Half-Blood Prince (film)