| 词汇 | -th |
| 词根词缀 | 词源： suffix forming nouns from verbs (depth, strength, truth, etc.), from O.E. -ðu, -ð, from PIE *-ita (cf. Skt. -tati-, Gk. -tet-, L. -tati-). The suffix forming ordinal numbers (fourth, tenth, etc.) is O.E. -ða, from PIE *-tos (cf. Skt. thah, Gk. -tos, L. -tus). |
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