Xenopirostris
zen-oh-pih-ROH-stris
Genus
the strange-billed (pear-billed) bird
Literally: strange pear-beak
| Part | Meaning | Language | Note |
|---|---|---|---|
| xeno- | strange, foreign | Greek (xen, -o) | combining form xeno-; here used in the sense 'strange, peculiar' |
| piro- | pear (referring to the pear-shaped bill) | Latin (pir, -i, =um) | stem pir- + connecting vowel -o-; final -um dropped in compounding |
| -stris | beaked, billed (from rostrum, beak or snout) | Latin (rostr, =um) | from rostris (adjectival/genitive form of rostrum); the initial r- of rostris was elided in compounding because the preceding element pir- already ends in -r, avoiding the sequence -rrostr-; the result is piro-stris = pear-beaked |
The genus name is a single compound Latin noun treated as feminine (standard for bird genera). It is built from two Latin-compatible elements joined by a connecting -o-: xeno- (Greek combining form, 'strange') + pirum (Latin, 'pear') + rostrum (Latin, 'beak'), meaning 'the strange-pear-beaked [bird].' The -r- that opens rostris was dropped after the -r- at the end of the pear stem to avoid a doubled -rr- cluster, producing the blend piro-stris rather than piro-rrostris.
Pronunciation
- zen-oh-pih-ROH-stris Penult rule 5: the penult vowel 'o' (in -ro-) is followed by the consonant cluster -str-, which counts as two or more consonants, making the penult heavy; stress falls on the penult -RO-.
Other readings
A minority reading is xeno- + -pi- (unexplained connector) + rostris, treating pi as a mere linking syllable, but this leaves the -pi- without meaning and is less satisfying than the pear-beak interpretation.
Xenopirostris is a genus of vanga shrikes endemic to Madagascar; its members have markedly deep, laterally compressed bills that can appear pear-shaped in profile, making the name apt. Initial X is pronounced 'z' by the rule that initial x = 'z'. The elision of the initial r- of rostris after the r-final stem pir- is an economy of compounding found in other ornithological names; the dictionary root rostr- is nonetheless clearly present at positions 6–12 of the string.