Answer:

UNTO

Answer	Crossword Clue
UNTO	"Render therefore .. Caesar"
UNTO	Biblical preposition
UNTO	Biblical word

UNTO	Golden rule word
UNTO	"Do .. others ..."
UNTO	"For .. us a child ..."
UNTO	"For ... us a child..."
UNTO	Golden Rule preposition
UNTO	Golden Rule word
UNTO	In itself
UNTO	Second word of the Golden Rule

UNTO	Till
UNTO	"Do ... others ..."
UNTO	"Do ... others as..."
UNTO	"Do ... others, ..."
UNTO	"Do ... others..."
UNTO	"... you is born this day..."
UNTO	Commandment word
UNTO	Others intro

UNTO	Passe preposition
UNTO	"For ... us a child is born..."
UNTO	"Once more ... the breach..." ("Henry V")
UNTO	Rarely used preposition, nowadays
UNTO	"Render .. Caesar..."
UNTO	Golden-rule word
UNTO	Preposition
UNTO	Poetic preposition

UNTO	"And the Lord spake ... Moses...": Exodus
UNTO	"Render therefore ... Caesar..."
UNTO	Word that may precede others?
UNTO	"Render ... Caesar..."
UNTO	Word in the golden rule
UNTO	Golden-rule preposition
UNTO	"Once more ... the breach ..."
UNTO	"Once more ... the breach...": "Henry V"

UNTO	Old-fashioned preposition
UNTO	"Golden rule" preposition
UNTO	"I will sing ... the Lord...": Exodus
UNTO	"Do .. others..."
UNTO	"I will sing .. the Lord...": Exodus