Squire
Middle English (in squire (sense 2 of the noun)): shortening of Old French esquier ‘esquire’.
wiktionary
From Middle English esquire, from Old French escuier, from Latin scūtārius(“shield-bearer”), from scūtum(“shield”).
From Middle English squire, borrowed from Middle French esquierre(“rule, carpenter's square”), or from Old French esquire, another form of esquarre(“square”). Cognate with French équerre. Doublet of square.
etymonline
squire (n.)
early 13c., "young man who attends a knight," later "member of the landowning class ranking below a knight" (c. 1300), from Old French esquier "squire," literally "shield carrier" (see esquire). Meaning "country gentleman, landed proprietor" is from 1670s; as a general term of address to a gentleman, it is attested from 1828.
squire (v.)
"to attend (a lady) as a gallant," late 14c., from squire (n.). Related: Squired; squiring.
