Where does “septane” come from?

septane (English) comes from Latin septem, from Proto-Italic septem, from Proto-Indo-European septḿ̥ — seven.

septane (English): Obsolete form of heptane

Definitions

  1. Obsolete form of heptane

Ancestry of “septane”, step by step

StepLanguageWordMeaning
1Latinseptemseven; 7
2Proto-Italicseptemseven
3Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Italic septem →Every word from Latin septem →