ya
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)
Guǎng yǎ
earliest extant Chinese encyclopedia from Wei of the Three Kingdoms, 3rd century, modeled on Erya 爾雅|尔雅[Er3 ya3], 18150 entries
yā ya jiǎo r
erhua variant of 壓壓腳|压压脚[ya1 ya5 jiao3]