FromProto-Tai*qraj(“egg”). Cognate withThaiไข่(kài),Northern Thaiᨡᩱ᩵(khai),Laoໄຂ່(khai),Lüᦺᦃᧈ(ẋay¹),Shanၶႆႇ(khài),Ahom𑜁𑜩(khay),Zhuanggyaeq. CompareSuigeis(“egg”) andSouthern Kamgeiv(“egg”).
jais
FromLatingagātem(“jet”), fromAncient GreekΓαγάτης(Gagátēs,“lignite, jet”, literally“stone of Gagas”).
jais m (pluraljais)
jais n (uncountable)