English
rectal
From rectum + -al.
A compound of rectum + -al
Proto-Italic *rektos
Latin regō ‘to keep or lead straight, to guide’
Latin rectus ‘straight’
Latin rectum intestinum
New Latin rectum
English rectum
Today it means
adj Of, via or related to the rectum.
Language periods are conventional ranges, not dates for this word.
Etymograph / rectal