Strong's G5412 — φορτίζω (verb)
phortizo (for-tid'-zo) v.
1. (properly) to load up (a vessel or animal)
2. (figuratively) to overburden with ceremony (or spiritual anxiety)
[from G5414]
KJV: lade, by heavy laden 
Root(s): G5414 
Hebrew root: φόρτος
Occurrences: 2