גַּם gam (H1571)

properly, assemblage; used only adverbially also, even, yea, though; often repeated as correl. both...and

1) also, even, indeed, moreover, yea 1a) also, moreover (giving emphasis) 1b) neither, neither...nor (with negative) 1c) even (for stress) 1d) indeed, yea (introducing climax) 1e) also (of correspondence or retribution) 1f) but, yet, though (adversative) 1g) even, yea, yea though (with 'when' in hypothetical case) 2) (TWOT) again, alike

by contraction from an unused root meaning to gather;