パーティー
パーティー · paateィu · JLPT N5 · noun
party
🎉🎂 Loanword: English party stretched into paa-tii, both vowels held long
Japanese borrowed the English word party and wrote it in katakana. The two long marks (ー) stretch each vowel: paa + tii. Say party slowly, dragging both syllables, and you have the Japanese word.