إَسَنُّ
Root: سن
Full Definition
إَسَنُّ
More [and most] advanced in age: a correct Arabic word. You say, هٰذَا أَسَنُّ مِنْ هٰذَا
This is more advanced in age than this: and Th says, speaking of Moosà Ibn-'Eesà-Leythee, أَدْرَكْتُهُ أَسَنَّ
أَهْلِ البَلَدِ [meaning I lived in his time, he being the most advanced in age of the people of the town, or country].