The Collaborative International Dictionary
Stalworth
Stalwart \Stal"wart\ (st[o^]l"w[~e]rt or st[add]l"-; 277),
Stalworth \Stal"worth\ (-w[~e]rth), a. [OE. stalworth, AS.
st[ae]lwyr[eth] serviceable, probably originally, good at
stealing, or worth stealing or taking, and afterwards
extended to other causes of estimation. See Steal, v. t.,
Worth, a.]
Brave; bold; strong; redoubted; daring; vehement; violent.
``A stalwart tiller of the soil.''
--Prof. Wilson.
Fair man he was and wise, stalworth and bold.
--R. of
Brunne.
Note: Stalworth is now disused, or but little used, stalwart having taken its place.
Wiktionary
stalworth
a. 1 (context obsolete English) sturdy, strong, well-built. 2 (context archaic English) brave, courageous.