English
lemniscatic
From lemniscate + -ic.
Formed from lemniscate + -ic
Proto-Semitic *laban- ‘white’
…
Ancient Greek λημνῐ́σκος ‘woollen fillet, ribbon’
New Latin lēmniscus ‘a sort of ribbon’
New Latin lēmniscātus ‘decorated with ribbons’
New Latin lēmniscāta
English lemniscate
Today it means
adj shaped like a figure-of-eight
Language periods are conventional ranges, not dates for this word.
Etymograph / lemniscatic