Meaning

verb assist or encourage, usually in some wrongdoing

originFrom Middle English abetten, abette, from Old French abeter (“to entice”), from a- (“to”) + beter (“hound on, urge, to bait”), either from Middle Dutch bētan (“incite”) or from Old Norse beita (“to cause to bite, bait, incite”), from Proto-Germanic *baitijaną (“to cause to bite”), from Proto-Indo-European *bʰeyd- (“to split”). Cognate with Icelandic beita (“to set dogs on; to feed”). Alternate…

Etymology from Wiktionary, CC BY-SA 3.0