English
reniform
Reniform comes from Latin rēn ‘kidney’.
- Latinc. 75 BCE–200 CErēnas rēnis‘kidney’
- Englishearliest quotation 1751reniform
attested reconstructed ? uncertain or disputed
Earlier history uncertain.
Lineage
- Latinc. 75 BCE–200 CErēnas rēnis‘kidney’
- Englishearliest quotation 1751reniform
Earliest quotation: 1751, John Hill, Having Corollæ Divided into Three Segments: “[T]he antheræ are reniform: the germen is oval, and…”
The story
Learned borrowing from Latin rēnis (the genitive singular of rēn (‘kidney’); see further at that entry) + English -form (suffix meaning ‘having the form or shape of’), modelled after New Latin rēnifōrmis (‘of seeds: kidney-shaped’).
Linked words
through Proto-Italic *hrēn
through Latin rēn ‘kidney’
Today it means
adj Synonym of kidney-shaped (“having an approximately circular or elongated ovoid shape with an inward curve or indentation on one side”).
Language periods are conventional ranges, not dates for this word.
Etymograph / Latin rēn / reniform