posologicyoudaoicibaDictYouDict[posologic 词源字典]
"Of or relating to dosages; = posological", Mid 18th cent.; earliest use found in Richard Brookes (fl. 1721–1763), physician and author. From post-classical Latin posologicus from ancient Greek πόσος how much (from the Indo-European base of classical Latin quot how many + the Indo-European base of ancient Greek -ιος, suffix forming adjectives) + classical Latin -logicus.[posologic etymology, posologic origin, 英语词源]