1580s, "to sorrow or grieve over with another," from Late Latin condolere "to suffer with another," from assimilated form of com "with, together" (see con-) + dolere "to grieve" (see doleful). Meaning "express condolences, speak sympathetically to one in pain, grief, or misfortune" is recorded from 1650s. Related: Condoled; condoling.
You must condole the widow
condiment
condition
conditional
conditioner
condo
condole
condolence
condom
condominium
condonation
condone