1
Stage 1 of 3
pendere
Latin · ancient
"to hang"
to hang, combined with per- (thoroughly)
2
Stage 2 of 3
perpendiculum
Latin · ancient
"a plumb line"
a plumb line, from per- and pendere
3
Stage 3 of 3
perpendicular
English · 1400s
"at a right angle to a given line or surface"
settled as the English word for something at a right angle to another line
Drag to pan · scroll to zoom