Strong's #1471: egkuos (pronounced eng'-koo-os)
from 1722 and the base of 2949; swelling inside, i.e. pregnant:--great with child.
Thayer's Greek Lexicon:
̓́
egkuos
1) big with child, pregnant
Part of Speech: adjective
Relation: from G1722 and the base of G2949
Usage:
This word is used 1 times:
Luke 2:5: "espoused wife, being great with child."