This is the 716th most frequent Indonesian word.
hijau
Green.
In this sentence, 'hijau' describes the natural color of the grass.
Rumput di taman itu sangat hijau.
The grass in the park is very green.
In this context, 'hijau' is used idiomatically to signify inexperience or being new at something.
Pemula dalam tim olahraga sering disebut pemain hijau.
Beginners in a sports team are often referred to as green players.
Here, 'hijau' metaphorically refers to environmental friendliness and sustainability in energy.