BDB312
אֲחִיתֹ֫פֶל proper name, masculine (my brother is folly?) David's trusted & traitorous counsellor 2Sam 15:12; 2Sam 15:31 (twice in verse); 2Sam 15:34; 2Sam 16:15; 2Sam 16:20; 2Sam 16:21; 2Sam 16:23 (twice in verse); 2Sam 17:1; 2Sam 17:6; 2Sam 17:7; 2Sam 17:14 (twice in verse); 2Sam 17:15; 2Sam 21:23; 2Sam 23:34; 1Chr 27:33; 1Chr 27:34.