EXAMPLES FROM THE WEB FOR COME UP
Then go down and leave it where you found it, and I will let you come up.
And now, my dear, let me ask you, Have I come up to your expectation?
"I had come up from the lower hills all one day," said the Mastodon.
He expected to come up with the volunteers on the road, but was not successful.
Come up to the house some evening and I'll show you my daubs.
She stopped when she heard him calling, and waited for him to come up to her.
But first we must have some hard balls made, so that I may hit you good when you come up.
It's just on the borders of Lenox, and it's bound to come up when this blows over.
He soon stopped again, and waited for the whole party to come up.
You come up to my house to-night at dark, and see if you can find it there.
Old English cuman "come, approach, land; come to oneself, recover; arrive; assemble" (class IV strong verb; past tense cuom, com, past participle cumen), from Proto-Germanic *kwem- (cf. Old Saxon cuman, Old Frisian kuma, Middle Dutch comen, Dutch komen, Old High German queman, German kommen, Old Norse koma, Gothic qiman), from PIE root *gwa-, *gwem- "to go, come" (cf. Sanskrit gamati "he goes," Avestan jamaiti "goes," Tocharian kakmu "come," Lithuanian gemu "to be born," Greek bainein "to go, walk, step," Latin venire "to come").
The substitution of Middle English -o- for Old English -u- before -m-, -n-, or -r- was a scribal habit before minims to avoid misreading the letters in the old style handwriting, which jammed letters. The practice similarly transformed some, monk, tongue, worm. Modern past tense form came is Middle English, probably from Old Norse kvam, replacing Old English cuom.
Remarkably productive with prepositions (NTC's "Dictionary of Phrasal Verbs" lists 198 combinations); consider the varied senses in come to "regain consciousness," come over "possess" (as an emotion), come at "attack," come on (interj.) "be serious," and come off "occur." For sexual senses, see cum.