词根词缀：algo-, alg-

【来源及含义】Greek: pain

【相关描述】Don't confuse these Greek algo-, alg- words with other words that come from the Latin element, alg-, which means "sea weed".

【相关词根词缀】 Cross references related to "pain, hurt; suffering, injury" word families: -agra; algesi-; angina-; dolor-; Masochism; noci-; odyno-; poen-; pono- (toil, work; pain); Sadism.

【同源单词】algesidystrophy, algiovascular, algodystrophy, algogenesia, algogenesis, algogenic

词根词缀：demonstra-

【来源及含义】Latin: to point out, to indicate, to show

【相关描述】The words in this unit come from Latin de-, "utterly, completely" (in this situation) plus monstrare, "to show, to point out" (from monstrum, "divine portent", which came from monere, "to warn").

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; opt-; -orama; pare-; phanero-; phant-; pheno-; scopo-; spec-; vela-, veal-; video-, visuo-.

【同源单词】counterdemonstration, counterdemonstrator, demonstrable, demonstrableness, demonstrate, demonstrated

词根词缀：herm-, herme-

【来源及含义】Greek: Hermes, the son of Zeus and Maia, the god of commerce and messenger of the gods in Greek mythology; identified by the Romans as Mercury; however, some of the words in this unit come from Hermes tris megistos, Hermes Trismegistus, literally, "Hermes, Thrice the Greatest" referring to the Egyptian god Thoth, who was identified with the Greek god Hermes, of science and arts

【同源单词】herm, Hermanubis, hermaphrodite, hermaphroditic, hermeneutic, hermeneutical

词根词缀：intra-

【来源及含义】Latin: within, inside, on the inside

【相关描述】Borrowed from late Latin intra-; closely related to inter-, "between". The use of intra- is largely a product of modern times, occurring in words of common and technical vocabulary, where once it was generally a term used in science and the academic world.

While some words are borrowings from Medieval and even Late Latin, few if any come from Classical Latin.

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": ent-; enter-; fistul-; incret-; inter-; splanchn-; viscer-.

【同源单词】Ab intra, abdominohysterotomy, Discere si cupias intra, endopelvic, international, intra muros

词根词缀：path-, patho-, -path-, -pathia, -pathic, -pathology, -pathetic, -pathize, -pathy

【来源及含义】Greek: feeling, sensation, perception; suffering, disease, or disorder; a system of treating diseases

【相关描述】In medicine, some of these elements usually mean "someone who suffers from a disease of, or one who treats a disease"; so, they should not be confused with the words that mean "feeling" which are also shown on these pages even though both meanings come from the same Greek element.

【相关词根词缀】 Related-word units meaning feeling: aesth-; senso-; pass-.

【同源单词】acroleukopathy, acropathology, acropathy, adenopathy, adrenalopathy, adrenopathy

词根词缀：regi-, reg-, rec-, rex-

【来源及含义】Latin: to direct, to rule, to lead straight, to keep straight; to guide, to govern

【相关描述】Although it does not appear to be correct, all of the words in this unit etymologically come from this family group. Some words; such as, surge and its related formats, may be presented as separate units; however, they originally evolved from this family unit.

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "master, lead, leading, ruler, ruling, govern": -agogic; agon-; arch-; -crat; dom-; gov-; magist-; poten-; tyran-.

【同源单词】address, address, addressee, addresser, addressograph, adroit

词根词缀：spous-

【来源及含义】Latin: betrothed man, groom; betrothed woman, bride; both come from sponsus, past participle of spondere, "to promise, betroth" from Old French, espous [masculine, male]; espouse [feminine, female]

【相关词根词缀】This spous- unit is directly related to the spond-, spons- unit.

【同源单词】espousal, espouse, espoused, espouser, spousal, spousals