ὅλος
hólos
“whole, entire”
5 words in English grow from this root.
Catholic
Faithκατάkatá
“according to the whole”
Holism
Philosophyὅλοςhólos
“the doctrine of wholes”
Holocaust
Faithὅλοςhólos
“wholly burnt”
Hologram
Scienceὅλοςhólos
“whole writing”
Holomorphic
Numberὅλοςhólos
“whole form”