'nondidactic' originates from Modern English, specifically the negative prefix 'non-' (from Latin 'non') combined with the adjective 'didactic' (from Greek 'didaktikos'), where 'non-' meant 'not' and 'didaktikos' meant 'teaching'.

'nondidactic' was formed in Modern English by attaching the prefix 'non-' to 'didactic'. The adjective 'didactic' entered English via Latin 'didacticus' from Greek 'didaktikos'.

Initially, 'didactic' meant 'teaching' or 'intended to teach'; 'nondidactic' has meant 'not intended to teach' since it was formed and has retained that opposite sense.