early 15c., from Late Latin truncationem (nominative truncatio), noun of action from past-participle stem of truncare (see truncate).
Entries linking to truncation
truncate v.
late 15c., from Latin truncatus "cut off," past participle of truncare "to maim, mutilate, cut off," from truncus "maimed, mutilated," also "trunk of a tree, trunk of the body," of uncertain origin, probably originally "mutilated, cut off," and perhaps from PIE root *tere- (2) "cross over, pass through, overcome." Related: Truncated; truncating.