'dissectable' originates from Latin, specifically the word 'dissecare,' where 'dis-' meant 'apart' and 'secare' meant 'to cut' (through 'dissect' + the adjective-forming suffix '-able').

'dissectable' developed from the verb 'dissect' (Middle English, from Old French 'disséquer' < Latin 'dissecare') and eventually became the modern English adjective by adding the suffix '-able'.

Initially, the root meant 'to cut apart,' but over time it evolved into the adjectival sense 'able to be cut apart for study' or 'capable of being analyzed in detail'.