from The Century Dictionary and Cyclopedia
- In ancient prosody: Having two times or quantities; varying in time; sometimes long and sometimes short; common; doubtful (Latin anceps): as, a dichronous vowel or syllable; representing a doubtful vowel-sound: as, a dichronous letter.
- Consisting of two normal short times or moræ; disemic: as, a dichronous foot; lasting for the space of two times or moræ: as, a dichronous long (that is, an ordinary long, equal to two shorts, distinguished from a trichronous or other protracted long): as, a dichronous pause. See disemic.
- In botany, having two periods of growth in one year.
Sorry, no etymologies found.
In these three respects therefore, as the conquerors in all the five exercises, it claims the precedence, — that of most other letters by being a vowel, that of other vowels by being dichronous, and lastly, that of these double-timed vowels themselves because it is its nature to go before and never after them.