FTP Gen49:17 :הרמניא‏ :
See the entire entry for ḥarmān, ḥarmānā n.m. a poisonous snake

FTP Gen49:17 :נפל לאחורוי‏ : he fell backwards
See the entire entry for lˀḥwry prep. behind

FTP Gen49:17 :מתהפך רכביה ונפל לאחורוי‏ :
See the entire entry for rāḵeḇ, rāḵbā n.m. rider