Jamieson, Fausset and Brown on 1 Timothy 6:10

10. the love of money--not the money itself, but the love of it--the wishing to be rich (1Ti 6:9)--"is a root (Ellicott and Middleton: not as English Version, 'the root') of all evils." (So the Greek plural). The wealthiest may be rich not in a bad sense; the poorest may covet to be so (Psa 62:10). Love of money is not the sole root of evils, but it is a leading "root of bitterness" (He 12:15), for "it destroys faith, the root of all that is good" [Bengel]; its offshoots are "temptation, a snare, lusts, destruction, perdition."

coveted after--lusted after.

erred from--literally, "have been made to err from the faith" (1Ti 1:19; 4:1).

pierced--(Lu 2:35).

with ... sorrows--"pains": "thorns" of the parable (Mt 13:22) which choke the word of "faith." "The prosperity of fools destroys them" (Pr 1:32). Bengel and Wiesinger make them the gnawings of conscience, producing remorse for wealth badly acquired; the harbingers of the future "perdition" (1Ti 6:9).