TgJ 2Sam12:20 :וְקָם דָוִיד מֵאַרעָא וֻמשָא"וֻמשַח"ואסחי" וְשַף‏ : [MT וַיָּקָם דָּוִד מֵהָאָרֶץ וַיִּרְחַץ וַיָּסֶךְ ]
See the entire entry for mšy vb. to sweep up; remove debris

TgJ 2Sam12:20 :וְקָם דָוִיד מֵאַרעָא וֻמשָא"וֻמשַח"ואסחי" וְשַף‏ : David got up from the ground and cleansed and oiled himself
See the entire entry for šwp vb. to smear; grind down