condign (adj.) Look up condign at Dictionary.com
late 15c., "well-deserved," from Old French condigne "deserved, appropriate, equal in wealth," from Latin condignus "wholly worthy," from com- "together, altogether" (see com-) + dignus "worth (n.), worthy, proper, fitting," from PIE root *dek- "to take, accept." Of punishment, "deservedly severe," from 1510s, which by Johnson's day (1755) was the only use.