avocation
n.
1520s, "a calling away from one's occupation," from Latin avocationem (nominative avocatio) "a calling away, distraction, diversion," noun of action from past participle stem of avocare, from ab- "off, away from" (see ab-) + vocare "to call" (see voice, n.).
〔李〕[a-(ab-)=away离开；voc=to call召唤；-ation n. 表行为结果→“calling one away from his regular employment使人离开其主业的召唤”→] n. hobby or diversion;secondary job业余爱好；副业