underset
To set under or beneath.
transitive
How it was shaped up with proper foreway and under-set for dished wheels, or how iron "clouts" (with "clout-nails") were carefully fitted into it to take the wear — is all but gone from my memory, as indeed it was hardly worth storing [...]
To prop or support.
being a company at that time , and well underset with rich men , and good order
Where it comes from
From Middle English undersetten, from Old English undersettan (“to put, place, or set under, put in the place of another, substitute, falsify, forge, counterfeit, place as a pledge, hypothecate, add, annex, subjoin, make subject, submit, set beneath, esteem less”), equivalent to under- + set. Cognate with Dutch ondersetten (“to put beneath”), German untersetzen (“to put beneath, pin”).
Adapted from the Wiktionary entry underset (CC BY-SA 4.0).