English
spiroundecane
From spiro- + undecane.
Proto-Indo-European *sper-yeh₂-
Ancient Greek σπεῖρα ‘coils or spires of snakes’
Latin spīra ‘a thing that is coiled, twisted, or wound’
English spiro-
Today it means
noun Any spiran that has eleven carbon atoms
Sources
Sources: Wiktionary, “spiroundecane”. 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 / spiroundecane