The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
aim-
DEFINITION:
Copy. Oldest form *2eim-, colored to *2aim-.1. Suffixed full-grade form *aim-olo-.emulate, emulous, from Latin aemulus, emulous. 2. Zero-grade form *im-.a.imitate; inimitable, from Latin imitre, to imitate, from suffixed form *im-eto-;b.image, imago, imagine, from Latin img, image. (Not in Pokorny; compare Hittite imma-, ritual substitute.)
2eim-, colored to *
re, to imitate, from suffixed form *im-eto-; b. image, imago, imagine, from Latin im
, image. (Not in Pokorny; compare Hittite 
imma-, ritual substitute.)
