King James Version (KJV)
And for the entering of the oracle he made doors {of} olive tree: the lintel {and} side posts {were} a fifth part {of the wall}. {a fifth...: or, fivesquare}
Modern English
For the entrance of the inner sanctuary, he made doors of olive wood. The lintel and door posts were a fifth part of the wall.
Hebrew
וְאֵת֙ פֶּ֣תַח הַדְּבִ֔יר עָשָׂ֖ה דַּלְת֣וֹת עֲצֵי־שָׁ֑מֶן הָאַ֥יִל מְזוּז֖וֹת חֲמִשִֽׁית׃
vʾet petaḥ hadbiyr ʿashah daltvot ʿaṣey-shamen haʾayil mzvzvot ḥamishiyt