| Answer | Crossword Clue |
|---|---|
| ORIG | Primary source: Abbr. |
| BREADANDBUTTER | Primary source of income |
| EDDA | A primary source for Scandinavian mythology |
| ADSALES | Primary source of revenue for Facebook |
| PLUTARCH | Writer whose work was Shakespeare's primary source for "Julius Caesar" |
| ELEM | Primary: Abbr. |
| TUE | Primary day: Abbr. |
| ELEM | Primary school: Abbr. |
| YLS | Primary colors: Abbr. |
| YLS | Some primary colors: Abbr. |
| ISR | El Al's primary destination (Abbr.) |
| ELEM | Like a primary school: Abbr. |
| ELEM | Kind of school for primary grades: Abbr. |
