Strong's G5129 — τούτῳ (p/d.)
touto (tou'-tow") p/d.
1. to (in, with or by) this (person or thing)
[dative case singular masculine or neuter of G3778]
KJV: here(-by, -in), him, one, the same, there(-in), this 
Root(s): G3778 
Hebrew root: οὗτος
Occurrences: 89