ギター
ギター · gitaa · JLPT N5 · noun
guitar
🎸 gitaa = English guitar, borrowed whole; the long final a stands in for -ar
A katakana loanword from English. Japanese has no final r sound, so the -ar ending becomes a stretched a, written with the long-vowel bar ー. Say guitar with a dropped r and you already have it: gi-taa.