'baronetized' originates from English, specifically the verb 'baronetize', formed from the noun 'baronet' plus the suffix '-ize'. 'baronet' itself comes from Old French 'baronet', a diminutive of 'baron'.

'baronet' arose in Middle English from Old French 'baronet' (diminutive of 'baron'); the verb 'baronetize' was created in modern English by adding '-ize' to 'baronet'; 'baronetized' is the past/past participle form used to indicate someone was made a baronet.

Initially it meant 'to make someone a baronet' and this meaning has been retained; 'baronetized' simply marks the action as completed or used adjectivally.