'well-curated' is a compound formed from Old English 'wel' (meaning 'well, thoroughly') and the adjective/verb 'curated,' which ultimately derives from Latin 'curare' (to take care of) via Late Latin 'curatus' (having been cared for).

'curate' entered English from Late Latin 'curatus' (past participle of 'curare') and originally referred to someone who takes care (a curator). In modern English, the verb sense 'to select and organize items with care' developed; the prefix 'well-' has been used in Modern English to form compounds like 'well-curated' to emphasize thoroughness.

Initially related to 'care' or 'having been cared for,' the sense shifted toward 'selecting and arranging with expertise'; 'well-curated' specifically emphasizes that the selection and arrangement are done with particular skill and attention.