etymologeek.com dictionary
English word become comes from Proto-Germanic *kwemaną, Old English cuman (To come.), Proto-Germanic *bi- (By, at; a general locative prefix.).

Become etymology history

Become detailed word origin explanation

Dictionary entryLanguageDefinition
*kwemaną Proto-Germanic (gem-pro)
cuman Old English (ang) To come.
*bi- Proto-Germanic (gem-pro) By, at; a general locative prefix.
*bikwemaną Proto-Germanic (gem-pro) To come about, happen, befall. To come across, come by, chance upon, find, obtain. To come near, come around, come by, arrive.
becuman Old English (ang) To come (to); to arrive, reach. To come to pass; to happen, occur.
bicumen Middle English (enm)
become English (eng) (copulative) To come about; happen; come into being; arise. [from 12thc.]. (copulative) begin to be; turn into. [from 12thc.]. (intransitive, obsolete) To arrive, come (to a place). [9th-18thc.]. (transitive) Of an adornment, piece of clothing etc.: to look attractive on (someone). [from 14thc.]. (transitive) To be proper for; to befit. [from 13thc.].

Words with the same origin as become

Descendants of cuman
come comeback cum forthcoming outcome overcome pre upcoming
Descendants of *bi-
about and because before begin beginning behold believe belong below between beware beyond bizarre bless bout but butt by bye for nearby nor whereabouts