yestermorn

As a noun yestermorn is

(obsolete) yesterday morning.

As nouns the difference between terms and yestermorn

is that terms is while yestermorn is (obsolete) yesterday morning.

As nouns the difference between taxonomy and yestermorn

is that taxonomy is the science or the technique used to make a classification while yestermorn is (obsolete) yesterday morning.

As nouns the difference between morning and yestermorn

is that morning is the part of the day from dawn to midday while yestermorn is (obsolete) yesterday morning.

As an interjection morning

is a greeting said in the morning; good morning.

Yestermorn is a derived term of yester.

As nouns the difference between yestermorn and yester

is that yestermorn is (obsolete) yesterday morning while yester is (archaic) yesterday.

As an adverb yester is

(archaic) yesterday.

As an adjective yester is

(archaic) last; last past; next before; of or pertaining to yesterday.