com-

See also: Appendix:Variations of "com"

English

Etymology

From Latin com (“with”), an archaic form of cum (“with”).

Pronunciation

• IPA^(key): /ˌkəm/, /ˈkʌm/, /ˌkɑːm/, /ˈkɒm/

Prefix

com-

1. The form of con- used before b, m, and p

Synonyms

• (together): co-, con-/col-/cor-, syn-/syl-/sym-, inter-

Anagrams

• CMO, MCO, MOC, OMC, moc

Latin

Prefix

com-

1. allomorph of con-

Usage notes

Used before b, p, and m, and rarely before vowels.

References

• “com-”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers

Middle English

Prefix

com-

1. Alternative form of con-

Usage notes

• This form of con- is used before labials (p, b, and m).

Old Irish

Etymology

From Proto-Celtic *kom-.

Pronunciation

• IPA^(key): [koβ̃]

Prefix

com- (pretonic con-) (abbreviated ɔ)

1. with, con-, co-
2. augment used instead of ro- in compounds of orcaid and a few other verbs

   ‎as·ren (“pays off”) + ‎com- → ‎as·comren (“has paid off”)

   ‎fris·ort (“he/she offended”) + ‎com- → ‎fris·comart (“he/she has offended”) (forms of fris·oirc (“to offend”))

Derived terms

Old Irish terms prefixed with com-

Descendants

• Irish: comh-
• Manx: co-
• Scottish Gaelic: co-

Mutation

Old Irish mutation
Radical	Lenition	Nasalization
com-	chom-	com- pronounced with /ɡ(ʲ)-/
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “com-”, in eDIL: Electronic Dictionary of the Irish Language