Commendation
Middle English: from Old French, from Latin commendatio(n- ), from commendare ‘commit to the care of’ (see commend). Originally (in the plural) the term denoted a liturgical office ending with a prayer commending the souls of the dead to God.
wiktionary
From Middle English commendacioun, from Old French commendacion(“approval, praise”), from Latin commendatio(“recommendation, commendation”), from commendare.
etymonline
commendation (n.)
late 14c., commendacioun, "expression of approval," late 14c. (from c. 1200 as the name of one of the Offices of the Dead), from Old French commendacion "approval, praise," from Latin commendationem (nominative commendatio) "recommendation, commendation," noun of action from past participle stem of commendare "to praise, to commit to one's care" (see commend).