Origins
The English verb 'come' is one of the language's oldest and most fundamental motion words, descending from Old English 'cuman,' from Proto-Germanic *kwemaną, which traces to the Proto-Indo-European root *gʷem- meaning 'to go, to come, to step.' This PIE root is one of the best-attested in comparative linguistics, with reflexes across nearly every branch of the Indo-European family.
The relationship between English 'come' and its Indo-European cognates illustrates one of the most important sound laws in historical linguistics. PIE *gʷ regularly became *kw in Proto-Germanic (later simplified to /k/ before certain vowels), while in Latin it became /w/ (spelled 'v'). Thus PIE *gʷem- produced both Germanic *kwemaną (> English 'come') and Latin 'venīre' (to come), the source of English borrowings like 'venue,' 'adventure,' 'event,' 'convent,' 'convenient,' and 'prevent.' In Greek, PIE *gʷ became /b/, producing 'baínein' (to go, to walk, to step), the ancestor of 'basis' and the suffix '-bat' in 'acrobat.' In Sanskrit, the root appears as 'gámati' (goes), and in the well-known compound 'jagat' (the moving world, i.e., the living universe).
Within the Germanic family, the cognates are transparent: German 'kommen,' Dutch 'komen,' Swedish 'komma,' Danish 'komme,' Norwegian 'komme,' and Gothic 'qiman' all descend from *kwemaną. The Proto-Germanic form retained the labiovelar *kw- that PIE *gʷ had become, and this is still visible in the Gothic spelling with 'q.'
Old English Period
The Old English verb 'cuman' was a strong verb of the fourth class, with a past tense 'c(w)ōm' (singular) and 'c(w)ōmon' (plural), and a past participle 'cumen.' The modern past tense 'came' reflects a remodeling of the original 'cōm' — Middle English writers produced forms like 'cam' and 'came,' with the final -e added by analogy with other past tenses. The past participle 'come' (rather than the expected 'comen' or 'cumen') reflects the loss of the inflectional ending, typical of the general simplification of English morphology during the Middle English period.
The spelling of 'come' with an 'o' rather than 'u' is a Middle English scribal convention. In medieval manuscripts, the letter 'u' was written identically to 'n,' 'm,' and 'v' (as a series of vertical strokes called minims), making sequences like 'cum' or 'cun' nearly illegible. Scribes began writing 'o' instead of 'u' before 'm,' 'n,' and 'v' to improve readability. This convention is why 'come,' 'some,' 'love,' 'son,' 'monk,' and 'honey' all have 'o' spellings for what is historically and phonetically a /ʌ/ vowel.
Semantically, 'come' has expanded far beyond physical motion. It functions as a copular or resultative verb ('come alive,' 'come true,' 'come undone'), expresses futurity ('in years to come'), and participates in dozens of phrasal combinations ('come about,' 'come across,' 'come up with'). The compound 'welcome' preserves an ancient Germanic construction: Old English 'wilcuma' meant literally 'a desired guest' or 'a pleasure-comer,' from 'willa' (desire, pleasure) and 'cuma' (comer, guest).
Cultural Impact
Other important compounds and derivatives include 'become' (Old English 'becuman,' originally meaning 'to arrive at' and later 'to come to be'), 'outcome' (a result — literally what comes out), 'income' (what comes in), and 'overcome' (to come over or surmount an obstacle). These compounds show the productive power of this basic motion verb in forming abstract vocabulary.
The word's frequency in English is extraordinary. It consistently ranks among the top 50 most common words in any corpus of English text and is even more dominant in spoken language. Like 'go,' its sheer frequency has protected its irregularity: speakers use 'come/came/come' so often that the irregular forms are reinforced daily, resisting the gravitational pull toward a regularized 'comed.'