"feeling of sorrow or deep tenderness for one who is suffering or experiencing misfortune," mid-14c., compassioun, literally "a suffering with another," from Old French compassion "sympathy, pity" (12c.), from Late Latin compassionem (nominative compassio) "sympathy," noun of state from past participle stem of compati "to feel pity," from com "with, together" (see com-) + pati "to suffer" (see passion).
Latin compassio is an ecclesiastical loan-translation of Greek sympatheia (see sympathy). Sometimes in Middle English it meant a literal sharing of affliction or suffering with another. An Old English loan-translation of compassion was efenðrowung.
late 14c., preposicioun, in grammar, "indeclinable part of speech regularly placed before and governing a noun in an oblique case and showing its relation to a verb, adjective, or other noun," from Latin praepositionem (nominative praepositio) "a putting before, a prefixing," noun of action from past-participle stem of praeponere "put before," from prae "before" (see pre-) + ponere "put, set, place" (past participle positus; see position (n.)). In grammatical use, a loan-translation of Greek prothesis, literally "a setting before." Old English used foresetnys as a loan-translation of Latin praepositio.