Etimological meaning of sociology is the Societus & logas two word's combination made the word sociology
'Sociology' means the study and classification of human societies
philosophy from Greek φιλοσοφία < φίλος + σοφία φίλος [feelos]= friend, lover σοφία [sofeea] = wisdom So philosophy = "wisdom friend/lover"
Armed merchant ship. .
Economics is a Greek word meaning "household management."