Meaning

noun troops belonging to or allied with your own military forces

adjective characteristic of or befitting a friend

adjective inclined to help or support; not antagonistic or hostile

originFrom Middle English frendly, freendly, frendely, frendlich, from Old English frēondlīċ, from Proto-Germanic *frijōndlīkaz, equivalent to friend + -ly. Cognate with Saterland Frisian früntelk, fjuntelk (“friendly”), West Frisian freonlik (“friendly”), Dutch vriendelijk (“friendly”), German Low German fründelk, frünnelk (“friendly”), German freundlich (“friendly”). Doublet of friendlike.

Etymology from Wiktionary, CC BY-SA 3.0