'autarkically' originates from Greek, specifically the word 'autarkēs', where 'auto-' meant 'self' and 'arkein' meant 'to be sufficient'. The English adverb was formed from the adjective 'autarkic' + the adverbial suffix '-ally'.

'autarkically' developed from Greek 'autarkēs' → Late Greek 'autarkhia' (meaning 'self-sufficiency' or 'autarchy') → borrowed into modern European languages as forms like 'autarky' in English (noun) → adjective 'autarkic' → adverb 'autarkically'.

Initially it referred to the quality of being self-sufficient ('self-sufficiency'); over time it came to be used to describe actions or states carried out in that manner ('in a self-sufficient manner').