Therefore, "astheno-" generally indicates weakness, lack of strength, or debility.
Here are some examples of words using the prefix "astheno-":
* Asthenia: A general feeling of weakness or lack of energy.
* Asthenopia: Eye strain or fatigue.
* Asthenozoospermia: A condition where sperm have poor motility (ability to move).
* Asthenic: Pertaining to weakness or debility.