English
knotoid
From knot + -oid, introduced in a paper by Vladimir Turaev.
Formed from knot + -oid
Proto-Germanic *knuttô ‘a knot’
Proto-West Germanic *knottō
Old English cnotta
Middle English knotte ‘knot, tie’
English knot
Today it means
noun A form of knot diagram whose underlying curve is a segment rather than a circle.
Language periods are conventional ranges, not dates for this word.
Etymograph / knotoid