'baptizement' originates from English, specifically the word 'baptize', which ultimately comes from Greek 'baptizein' (βαπτίζειν), where the root 'bapt-'/'bapto' meant 'to dip' or 'to immerse'.

'baptizement' developed via Middle English (from Old French 'baptisement') from Late Latin forms related to 'baptizare', which in turn comes from Greek 'baptizein'; the Old French and Middle English forms produced the modern English noun 'baptizement'.

Initially related to the physical act of dipping or immersion ('to dip/immerse'), the term evolved to refer specifically to the religious rite of baptism and, by extension, to ceremonial or figurative initiations.