Arabic

yafan- - four-year old bull (BK 2 1631, LA XIII 457)

yafanat- ‘cow; pregnant cow’ (BK 2 1631). Cf. fanāt- ‘cow’ (BK 2 640, Lane 2451, LA XVI 166)

PWS
*yapan- - young bull (SED II No. 250)
Note the prefixal elements tV-,mV-,wV- of unclear origin in all Eth. forms. Arb.fanāt- probably represents an original biconsonantal prototype.