This is not a commonly used Tagalog word. The reported root is bakás.
himakas
keepsake
himakas
item left for remembrance
himakas
last farewell
himakas
last will / testament
MGA KAHULUGAN SA TAGALOG
himakás: bagay na tagapagpaalala ng iba
himakás: hulíng paalam
pahimakas: nagsisilbing huling paalam