From 'ach and taphel; brother of folly; Achithophel, an Israelite -- Ahithophel.
see HEBREW 'ach
see HEBREW taphel
H302. Achithophel
אֲחִיתֹ֫פֶל proper name, masculine (my brother is folly?) David's trusted & traitorous counsellor 2 Samuel 15:12, 31 (twice in verse); 15:34; 16:15, 20, 21, 23 (twice in verse); 17:1, 6, 7, 14 (twice in verse); 17:15; 2 Samuel 21:23; 23:34; 1 Chronicles 27:33-34,.