English
semiordinate
From semi- + ordinate.
Proto-Indo-European *h₂er- ‘to fit, to fix, to put together, to slot’
…
Latin ōrdō ‘order’
Latin ōrdinō ‘arrange, put in order’
Latin ōrdinātus ‘arranged, ordered, having been put in order,…’
Middle English ordinat(e)
English ordinate
Today it means
noun Half a chord bisected by the transverse diameter of a conic.
Sources
Sources: Wiktionary, “semiordinate”. 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 / semiordinate