correspondances

to correspond = to pledge (spondere) + together (co) + again (re) [from medieval Latin]

Pledge
verb
1 [ trans. ] commit (a person or organization) by a solemn promise
• [with clause ] formally declare or promise that something is or will be the case
• [ intrans. ] solemnly undertake to do something
• [ trans. ] undertake formally to give
2 [ trans. ] Law give as security on a loan
3 [ trans. ] promise to join (a fraternity or sorority)
4 [ trans. ] archaic drink to the health of.

ORIGIN Middle English (denoting a person acting as surety for another): from Old French plege, from medieval Latin plevium, perhaps related to the Germanic base of plight

Plight
noun
a dangerous, difficult, or otherwise unfortunate situation

ORIGIN Middle English : from Anglo-Norman French plit ‘fold.’ The -gh- spelling is by association with plight

verb [ trans. ] archaic
pledge or promise solemnly (one's faith or loyalty).
• ( be plighted to) be engaged to be married to.

ORIGIN Old English plihtan [endanger,] of Germanic origin; related to Dutch plicht and German Pflicht ‘duty.’ The current sense is recorded only from Middle English, but is probably original, in view of the related Germanic words


isn’t that beautiful?