To change someone's name (to assign his name)
It is named after him. It is called after his name.
("And the king of Babylon made Mattaniah his uncle king in his stead, and changed his name to Zedekiah" - 2 Kings 24:17)
Translation
Expression (Hebrew)
הוּסַב עַל שְׁמוֹ (הַסָּב אֶת שְׁמוֹ)
Definition (Hebrew)
שׁוֹנֶה עַל שְׁמוֹ שֶׁל. נִקְרָא עַל שְׁמוֹ.
(" וַיַּמְלֵךְ מֶלֶךְ בָּבֶל אֶת מַתַּנְיָה דֹדוֹ תַּחְתָּיו וַיַּסֵּב אֶת שְׁמוֹ צִדְקִיָּהוּ"- מְלָכִים ב כַּד יז)