affectionate (adj.)youdaoicibaDictYouDict[affectionate 词源字典]
1580s, "fond, loving," from affection + -ate (1). Early, now mostly obsolete, senses included "inclined" (1530s), "prejudiced" (1530s), "passionate" (1540s), "earnest" (c. 1600). Other forms also used in the main modern sense of the word included affectious (1580s), affectuous (mid-15c.).[affectionate etymology, affectionate origin, 英语词源]