This is the 5907th most frequent Japanese word.
むさ
"むさ" does not have a widely recognized standalone meaning in Japanese. It may be part of a longer word or phrase.
Here, 'むさくるしい' is an adjective derived from 'むさ' and it describes untidiness or being messy.
部屋がむさくるしかったので片付けました。
The room was untidy, so I tidied it up.
In this sentence, 'むさぼる' means 'to indulge greedily,' derived from 'むさ,' showcasing a figurative extension of the term.
町中にむさぼるように食事をしている人が多かった。
Many people in the town were eating greedily.
Here, 'むさむさした' describes a feeling of discomfort or unease, expanding the semantic range of 'むさ' into emotional states.