Etymograph

English

isocryme

Isocryme comes from Ancient Greek κρυμός ‘cold, chilliness’.

  1. Ancient Greekc. 800–300 BCEκρυμόςkrumós‘cold, chilliness’
  2. Englishtodayisocryme

attested reconstructed ? uncertain or disputed

Lineage

  1. Ancient Greekc. 800–300 BCEκρυμόςkrumós‘cold, chilliness’
  2. Englishtodayisocryme

The story

Coined by James D. Dana in 1854, who glossed κρυμός as "extreme cold".

Today it means

noun An isoline connecting points on the Earth's surface having the same mean temperature in the coldest month of the year.

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

Etymograph / Ancient Greek κρυμός / isocryme