en_tn/1ki/08/65.md

all Israel with him

This generalization may refer either 1) to the people whom Solomon called to Jerusalem and who are listed in 1 Kings 8:1, or 2) to those who traveled to Jerusalem for the feast, not necessarily to every person who lived in Israel. See how you translated similar words in 1 Kings 8:62. (See: rc://en/ta/man/translate/figs-hyperbole)

seven days ... seven days ... fourteen days

"7 days ... 7 days ... 14 days" (See: rc://en/ta/man/translate/translate-numbers)

eighth day

The word "eighth" is the ordinal form of "8." (See: rc://en/ta/man/translate/translate-ordinal)

joyful and glad

The two words mean basically the same thing and are combined for emphasis. (See: rc://en/ta/man/translate/figs-doublet)