estimable (adj.)youdaoicibaDictYouDict[estimable 词源字典]
mid-15c., "capable of being estimated," from Old French estimable and directly from Latin aestimabilis "valuable, estimable," from aestimare (see esteem (v.)). Meaning "worthy of esteem" in English is from 1690s.[estimable etymology, estimable origin, 英语词源]