What's "trustworthy" mean? Is this a combination of two words which are "trust" and "worth?"

Native speaker’s answer
Rebecca
Yes, that's correct! Someone who is trustworthy is someone who is worth your trust, someone you can depend on or believe in. In essence, it speaks to the honesty or reliability of one's character. Ex: My friend John is a very dependable and trustworthy person. Ex: Severus Snape was not considered to be a trustworthy person when he was alive, but he proved how loyal he was after his death.