However, given the current research available, the discussion of whether or not horses have emotions, or why they do not express them in covert ways, is a bit abecedarian.
From the blogs.psychcentral.com
More examples
A novice learning the rudiments of some subject
Alphabetically arranged (as for beginning readers)
A 16th century sect of Anabaptists centered in Germany who had an absolute disdain for human knowledge
(abecedarius) a poem having lines beginning with letters of the alphabet in regular order
(Abecedarians (band)) Abecedarians were a Los Angeles based post-punk trio active in the mid to late 1980s, on Factory Records. The lineup was Chris Manecke (guitar, vocals, keyboards), Kevin Dolan (drums) and John Blake (bass). They specialized in reverb heavy, synth driven post-punk songs.
An abecedarius is an acrostic in which the first letter of every word, strophe or verse follows the order of the alphabet. ...
N. one who is just learning; a beginner; adj. elementary
N.s. [from the names of a, b, c, the three first letters of the alphabet.] He that teaches or learns the alphabet, or first rudiments of literature. ...
Having to do with the alphabet, or arranged in alphabetical order. Sometimes spelled ABCDarian. Among other ways of ordering things, it should be compared with numerical and chronological ordering, periodicity, taxonomy, etc.