quinquangular
‘having five angles’
Lexical development traced from the Tamil root:
E. quinqueangular < La.Lat. quinquangulus ‘five-cornered’ < quinque ‘five’ + Lat. angulus ‘angle’ < ang < ang-/ank- < Tamil aṅku
quinquangular
English words derived from Tamil aṅku connotating 'bend'