From Old Javanese jruk (“citrus fruits of various kinds”). Doublet of ᬚᭂᬭᬸᬓ᭄ (jeruk) and ᬚᬸᬯᬸᬓ᭄ (juwuk).
ᬚᬸᬯᬸᬓ᭄ (juwuk)