Hither means to this place, in old use. Come hither, hither and thither, hither to us.
It belongs to a lost set: hither means to here, thither to there, and whither to where, matching here, there and where for position. Come hither survives as a phrase, and a come-hither look is an inviting one. Hither and thither means in all directions.
1adverbhitherTo this place, in old use.
“"Come hither, child," said the old king, beckoning her towards his throne.”
hither is a direction.
Old English hider, related to here. It matched thither and whither in a system English has lost.
Proto-Germanic
*hidrê
Old English
hider
English, today
hither
From Old English hider, from Proto-Germanic hidrê. Cognate with Latin citer.
Etymology from Wiktionary, CC BY-SA