Meaning of palaeo- in English:

palaeo-

(US paleo-)
  • Older or ancient, especially relating to the geological past.

    ‘Palaeolithic’
    • ‘palaeomagnetism’

Pronunciation

palaeo-

/ˈpalɪəʊ/ /ˈpeɪlɪəʊ/

Origin

From Greek palaios ‘ancient’.