The Greek word androphonos

Found just once in the New Testament (1 Tim. 1:91 Tim. 1:9
English: American Standard Version (1901) - ASV

9 as knowing this, that law is not made for a righteous man, but for the lawless and unruly, for the ungodly and sinners, for the unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,

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), the Greek noun “androphonos” meant “manslayer” (murderer).   Unlike a person who kills someone by accident, this word describes the intentional taking of life.