telco means A telephone company (historically); a telecommunications company, a telecom. Lexicurio rates it Sui generis — a strength score of 86 out of 100.
telco is pronounced /ˈtɛlˌkəʊ/.
Etymology
Diachronically, from tel + Co., from the collocation of Tel. Co. as seen, for example, in Bell Tel. Co. or the names of countless local telephone exchange companies (e.g., Savannah Valley Tel. Co., Mutual Tel. Co., Tarrytown Tel. Co.), by abbreviation in the late 19th through mid-20th centuries; synchronically also a clipped compound as tel(ephone) + co(mpany).
noun
- A telephone company (historically); a telecommunications company, a telecom.