# [Abraham](rc://en/tw/dict/bible/names/abraham) circumcised his son [Isaac](rc://en/tw/dict/bible/names/isaac) when he was eight days old

"When his son [Isaac](rc://en/tw/dict/bible/names/isaac) was eight days old, [Abraham](rc://en/tw/dict/bible/names/abraham) circumcised him"

# eight days

"8 days" (See: [[rc://en/ta/man/translate/translate-numbers]])

# had commanded him

"had commanded [Abraham](rc://en/tw/dict/bible/names/abraham) to do"