English

spiran

Spiran comes from German Spiran.

attested reconstructed ? uncertain or disputed

Lineage

Equivalent to spiro- + -an

Proto-Indo-European *sper-yeh₂-

Ancient Greek σπεῖρα ‘coils or spires of snakes’

Latin spīra ‘a thing that is coiled, twisted, or wound’

Every English word from German Spiran

noun Any of a class of bicyclic hydrocarbons in which a carbon atom has two single bonds in each of two rings; a form of spiro compound

Language periods are conventional ranges, not dates for this word.