Strong's Hebrew #1966
hê·lêl

Englishman's Concordance (References)

hê·lêl — 1 Occurrence

Isaiah 14:12
HEB:נָפַ֥לְתָּ מִשָּׁמַ֖יִם הֵילֵ֣ל בֶּן־ שָׁ֑חַר
NAS: from heaven, O star of the morning, son
KJV: from heaven, O Lucifer, son
INT: have fallen heaven star son of the dawn