TgJ 2Sam23:23 :וֻמַנְיֵיה דָוִיד עַל מִשמַעתֵיה‏ : David appointed him over his bodyguard [MT מִשְׁמַעְתּוֹ] †
See the entire entry for mašməˁā, mašmaˁtā n.f. hearing; obedience