Strong's G196 — ἀκριβέστατος (adjective)
akribestatos (ak-ree-bes'-ta-tos) adj.
1. most exact
[superlative of akribes (a derivative of the same as G206)]
KJV: most straitest 
Root(s): G206 
See also: G197, G198, G199 
Hebrew root: ἄκρον
Occurrences: 1