probably for H2453; sagacious; Tachkemoni, an Israelite; Tachmonite.
Usages throughout the bible
2 Samuel 23:8
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These be the names of the mighty men whom David had: The Tachmonite H8461 that sat in the seat, chief among the captains; the same was Adino the Eznite: he lift up his spear against eight hundred, whom he slew at one time.