[1900–05; sissy + -fy + -ed2]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: burnout, clone, desensitize, elder statesman, hookup-ed is a suffix forming the past participle of weak verbs (he had crossed the river), and of participial adjectives indicating a condition or quality resulting fromthe action of the verb (inflated balloons). Other words that use the affix -ed include: limited, loaded, sheltered, unattended, unsettled