The Greek root "ek" means "outside of" or "around"; thus, "ecto" would be the outer layer, as in ectoplasm.
Latin has no such word.
Ecto = outside.
The Latin root word "tempus" means time.
The root word of "lax" is the Latin word "laxus," which means loose or slack.
Calor is the Latin word for "heat".
it means air and it is a Latin root word
ectoderm-the ouside of the skin , noun
unite
People
single
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If you mean aquarium, the root is aqua- Latin for water.
The Latin root stimu translates to goad