Systellura
sis-tel-YOO-ruh
Genus
the one with a compressed (drawn-together) tail
Literally: contracted tail
| Part | Meaning | Language | Note |
|---|---|---|---|
| sys- | with, together | Greek (sy, -g, -l, -m, -n, -s) | variant of syn- used before the consonant cluster st-; assimilation of the nasal is standard |
| -stell- | to set, arrange, send; with syn- → to draw together, compress, contract | Greek (systellō (στέλλω with σύν)) | Greek verbal root stellō, not in the dictionary as an independent entry; the dictionary does contain the derived noun 'systol-o' (a contraction, id 6528), confirming the compound verb. The doubled -ll- is the assimilation of syn- + stell-. [not in dictionary as standalone Greek verbal root] |
| -ura | the tail | Greek (ur, =a, -o) | terminal -a marks the Latin feminine nominative singular form used for genus names |
Systellura is a genus-level noun coined from the Greek compound verb systellō (σύν + στέλλω, 'to draw/contract together') plus the Greek suffix -ura (tail). The whole word is treated as a Latin feminine noun in the nominative singular, following standard zoological practice. The name describes the compressed or tightly-set tail of the nightjars placed in this genus. The dictionary confirms the derived noun systolē/systol- (a contraction) from the same verb, lending high confidence to this reading. The alternative reading sys- (together) + Latin stell- (star) + -ura (tail) = 'star-tail' is formally possible but unsupported by the biology of the group and less etymologically coherent.
Pronunciation
- sis-tel-YOO-ruh Penult stress by Rule 4: the penult vowel is 'u' followed by a single consonant (r), and the rules specify that most penults whose vowel is u are stressed on the penult.
Commonly: sis-TEL-yoo-ruh (antepenult stress is common in ornithological usage, treating -u- as an unstressed connecting vowel)
Other readings
sys- (together) + Latin stell- (star) + -ura (tail) = 'star-tail' — formally possible but ornithologically unlikely and mixes Latin and Greek
The Greek verbal root stellō (to set, place, send; with syn- → to contract) is not entered independently in the dictionary, but the derived noun systol- (a contraction, id 6528) is, confirming the compound. Marked in_dictionary: false with high confidence from general classical knowledge. Systellura is a genus of nightjars (Caprimulgidae) established by Ridgway (1912). The compressed or drawn-together tail feathers of these birds are the likely morphological referent of the name. The alternative Latin reading stell- = 'star' would create a Greek–Latin hybrid and is listed only for completeness.