ท่อ (tɔ̂ɔ, “tube”) + นำ (nam, “to lead, bring”) + ไข่ (kài, “egg”).
| Orthographic | ท่อนำไข่ d ˋ ɒ n å ai kʰ ˋ | |
|---|---|---|
| Phonemic | ท่อ-นำ-ไข่ d ˋ ɒ – n å – ai kʰ ˋ | |
| Romanization | Paiboon | tɔ̂ɔ-nam-kài |
| Royal Institute | tho-nam-khai | |
| (standard) IPA(key) | /tʰɔː˥˩.nam˧.kʰaj˨˩/(R) | |