This is the 418th most frequent Icelandic word.
gerðu
The Icelandic word "gerðu" means "do" or "make" (imperative form).
Here, 'gerðu' is the imperative form of the verb 'gera', directed towards a second person singular subject, indicating a command or instruction.
Gerðu verkefnið fyrir morgun.
Do the assignment by morning.
In this sentence, 'gerðir' (a related form of 'gerðu') is in the past subjunctive mood, implying a hypothetical or desired action.
Mig langar að þú gerðir verkefnið fljótt.
I wish that you would do the assignment quickly.
'Gerðu' here is used as a polite request or invitation when paired with 'svo vel,' effectively meaning "please."