Using Webster New Collegiate Dictionary of 1976 - - - Not exactly "new" now.
"sustain" a transitive verb from French "sus" -> "up" + tenere -> "to hold" ---> "to hold up"
1 : to give support or relief to
2 : to supply with sustenance : to NOURISH
3 : to keep up : to PROLONG
4 : to support the weight of : PROP also to carry or withstand (a weight or pressure)
5 : to buoy up
6 a : to bear up under
6 b : to SUFFER or to UNDERGO
7 a : to support as true, legal, or just
7 b : to allow or admit as valid
8 : to support by adequate proof : to CONFIRM
Related words: sustainable, sustainer, sustaining, sustenance, sustainability
=========================================================================================
Some-Threats to Sustainability:
Exhaustion of and/or dishonesty about limited essential-supplies in Astronomically-Tiny Space-Ship-Earth
Pollution of and/or dishonesty about pollution within This-Here Astronomically-Tiny Space-Ship-Earth
Ignorance of and/or dishonesty re approaching "tipping-points" in Astronomically-Tiny Space-Ship-Earth
Trying to WIN many different Collusive-Games-of-Mutual-Self-Deception within Tiny Space-Ship-Earth
Trying to GET and KEEP far more than OUR-FAIR-SHARE of the limited available "goods" in Space-Ship-Earth
Trying to get along in terms of Tragically-Simplistic Political/Religious Ideologies in Space-Ship-Earth
Failing to cooperate to Mitigate Our-Own Alienative-Conflicts & Enduring-Alienations in Space-Ship-Earth
Lack-of-Clarity about Sustainable: Ideals, Values, Principles, Goals, Plans & Means in Space-Ship-Earth
<=== Click on for information.
About information that can you see by clicking on the above counter.