Etymograph

English

pseudoline

From pseudo- + line.

Formed from pseudo- + line

Ancient Greek ψεύδω ‘to lie’

Ancient Greek ψευδής ‘false, lying’

English pseudo-

Proto-Germanic *līną ‘flax’

Proto-Germanic *līnǭ ‘line’

Proto-West Germanic *līnā ‘line’

Old English līne ‘line’

Middle English line ‘rope’

English line

Today it means

noun A curve that shares certain topological properties with a line.

Sources

Sources: Wiktionary, “pseudoline”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / pseudoline