Where does “attacher” come from?

attacher (French) comes from Old French atachier, from Old French estachier, from Old French estache, from Medieval Latin staca, from Gothic 𐍃𐍄𐌰𐌺𐌰, from Proto-Germanic stakô, from Proto-Indo-European (s)teg- — to cover; pole, stick, beam.

attacher (French): to affix, bind, tie something to something else,...