ef-

prefix assim. form of EX-(1)
1 before f.

* * *

— see ex-

* * *

var. of ex-¹ (by assimilation) before f: efficient.

* * *

ef-,

prefix. the form of ex-¹ (Cf. ↑ex-) before f, as in »

effluent.

* * *

prefix variant spelling of ex- I assimilated before f (as in efface, effloresce)

••

Usage

See usage at ex- I

* * *

ef- prefix

the form of the L. pref. ex- used before words beginning with f.