absciss
/abˈsɪs/(also abscisse)
verb
1 [with object] Surgery. To cut off or away; = abscise. Compare abscission. rare.
2 [no object] Of a leaf or other part: to undergo abscission; = abscise.
3 [with object] To cause to undergo abscission; = abscise. Usually in pass.
Origin
Mid 17th century; earliest use found in John Woodall (1570–1643), surgeon. Originally from classical Latin absciss-, past participial stem of abscindere abscind. In later use perhaps independently as a back-formation from abscission.