Strong's G77 — ἀδάπανος (adjective)
adapanos (ad-ap'-an-os) adj.
1. without cost, i.e. gratuitous
[from G1 (as negative particle) and G1160]
KJV: without expense 
Root(s): G1, G1160 
Hebrew root: δαπάνη
Occurrences: 1