verb (used without object)
to have care, concern, or regard (often followed by of, with, or a clause).
Archaic. to be of concern or importance; matter: It recks not.
verb (used with object)
Archaic. to have regard for; mind; heed.
before 900; Middle English rekken, Old English reccan; akin to Old Norse roekja to have care, German (ge)ruhen to deign