forefather
🇺🇸
/ˈfɔːrfɑːðər/
🇬🇧
/ˈfɔːfɑːðə(r)/
An ancestor, especially a male one, from whom you are descended.
The students learned about their forefathers' struggles during the American Revolution.
学生们学习了他们祖先在美国独立战争期间的奋斗。