firstling, openeth, such as open

Strong’s Dictionary of Hebrew Words:

Number:
6363 (find all occurrences in KJV Bible)
Transliteration:
peter
Phonic:
peh’-ter
Meaning:
or pitrah {pit-raw'}; from 6362; a fissure, i.e. (concretely) firstling (as opening the matrix)
KJV Usage:
firstling, openeth, such as open