que

1. genitive / possessive marker
2. 𐀤 qe, καί kaí, und auch, aussie, and

-𒋡 -qa -que ique -ig -y adjective marker

𒆠 ki que? quoi? "how?"

𔕰 kwi/kwa qui/qua/que REL relative pronoun

𒆤 KE4 -que < quod
𒆤 kid > 𒆧𒆠𒆤 Kiš-ke4 of Kish

Bohairic: ⲕⲁⲓ (kai), ⲕⲉ (ke), ⲛⲉⲙ (nem), ⲟⲩⲟϩ (ouoh)  
Sahidic: ⲕⲁⲓ (kai), ⲕⲉ (ke), ⲙⲛ (mn), ⲁⲩⲱ (auō)  

DE ⇔ QE adjective suffix
-ique -que -ak -ակ -ɑk -açʰ -աչ -ig -ich -y
կանաչ kanaçʰ grünig
սպիտակ əspitɑk

"JA"
https://en.wiktionary.org/wiki/Reconstruction:Proto-Indo-European/g%CA%B0e

Question

𒂊𒉡𒈠 ᵏe-nu-ma 𓍿 𓈖 𓌙 𓅯 | whence | quand
𒂊𒉡𒈠 when