30 PONTS BRAINLESS PLZ HELP Review the sample dictionary entry for the word sternum. sternum /ˈstərnəm/ noun
1. breastbone
The choir director instructed her students to raise their sternums.
mid 17th century: modern Latin
Based on the entry, which choice indicates the origin of the word sternum?
1.mid 17th century; modern Latin
2.noun
3.breastbone
4./ˈstərnəm/