This is the 719th most frequent Thai word.
e
The Thai word "e" (อี) is an informal and often derogatory prefix used before a woman's name to denote disrespect or address someone rudely.
I used "เธอ" (you) referring to "เธอ" as "you" (second person singular) in Thai.
ผมเห็นเธอเมื่อวาน (phǒm hěn thõe muea wān)
I saw you yesterday.
The word "เรื่อง" refers to "เรื่องนี้" meaning 'this story/issue' and is used descriptively.
หนังเรื่องนี้สนุกมาก ๆ เลย (nǎŋ rɨ̄aŋ ní sà nùk mâk mâk loei)
This movie is very enjoyable.
"อยู่" indicates a state of being, in this case, being at the home, providing the sentence context.