Where does “გაგრძელდება” come from?

გაგრძელდება (Georgian) comes from Georgian გრძელდება, from Georgian გრძელი, from Proto-Georgian-Zan *grʒel-, from Proto-Kartvelian gRʒ- — to be long.

Ancestry of “გაგრძელდება”, step by step

StepLanguageWordMeaning
1Georgianგრძელდება—
2Georgianგრძელიlong
3Proto-Georgian-Zan*grʒel-long, high
4Proto-KartveliangRʒ-to be long
Every word from Proto-Kartvelian gRʒ- →Every word from Proto-Georgian-Zan *grʒel- →Every word from Georgian გრძელი →