rankle

• 炎症を起こす。
• vt.恨みを買う；苦痛を与える；苦しみを与える

古フランス語のrancleは、ラテン語のdracunculus（小さな蛇、小さな竜）から転化したdraoncle（膿）から省略されたもので、語源的にはdragon（竜）と同じである。-uncleは小単語の接尾辞。もともとは膿瘍、蛇刺されの炎症、ひいては痛み、恨み。この単語からrancid、rancorが派生したのかもしれない。

rankle

rankle: [14] Etymologically, if something rankles, it festers from the effects of a ‘dragon’s’ bite. Nowadays the word is only used metaphorically, but it originally meant literally ‘be sore, fester’. It was borrowed from Old French rancler, a variant of draoncler. This was derived from draoncle ‘ulcer’, which in turn came from dranculus, the medieval Latin descendant of dracunculus, a diminutive form of Latin dracō ‘snake’ (source of English dragon). The notion underlying the word is of an ulcer caused by the bite of a snake.
=> dragon

rankle (v.)

c. 1300, "to fester," from Old French rancler, earlier raoncler, draoncler "to suppurate, run," from draoncle "abscess, festering sore," from Medieval Latin dracunculus, literally "little dragon," diminutive of Latin draco "serpent, dragon" (see dragon). The notion is of an ulcer caused by a snake's bite. Meaning "cause to fester" is from c. 1400. Related: Rankled; rankling.

1. You burrow and rankle in his heart！

あなたは彼の心を掘り起こして苦しめます！

2.The dimensions of the Brys 'ballroom must rankle her.

バリー夫人の大ダンスホールは彼女を嫉妬させたに違いない。