troublen

• trouble, trowble, trowblen, trublen
• trobbyl, trobel, trobolon, trobull, troubille, trowbyll, trubill (Late Middle English)
• trubbylle (Catholicon Anglicum); trobelyn, troblon, trubblyn (Promptorium Parvulorum)
• trubli (AB language); trobli (Kent)

Borrowed from Old French trobler, metathetic form of torbler, from Late Latin *turbulāre; by surface analysis, trouble (“disturbance”) +‎ -en (infinitive suffix).

• IPA^(key): /ˈtruːb(ə)lən/, /ˈtrub(ə)lən/

troublen (third-person singular simple present troubleth, present participle troublende, troublynge, first-/third-person singular past indicative and past participle troubled)

1. To agitate or disturb:
   1. To make or become turbid, cloudy, or opaque.
      • 1387–1400, [Geoffrey] Chaucer, “Chaucers Tale of Melibeus”, in The Tales of Caunt́bury (Hengwrt Chaucer; Peniarth Manuscript 392D), Aberystwyth, Ceredigion: National Library of Wales, published [c. 1400–1410], →OCLC, folio 231, verso:

        Therfoꝛe / the ꝓphete ſeıth / That troubled eẏen / han no cleer sıghte / but seıeth ⁊ conſeıleth me / as ẏow lıketh / foꝛ I am redẏ to do rıght as ẏe wol deſıre

        Therefore the prophet says that "clouded eyes don't have clear vision", but talk to and advise me however you want, since I'm ready to do [anything] just like you want.

   2. To become tempestuous or stormy.
   3. To stir up unrest or discontent.
      • 1387–1400, [Geoffrey] Chaucer, “The Tale of the Wẏf of Bathe”, in The Tales of Caunt́bury (Hengwrt Chaucer; Peniarth Manuscript 392D), Aberystwyth, Ceredigion: National Library of Wales, published [c. 1400–1410], →OCLC, folio 62, verso:

        Thow seẏdest eek / þ^t ther ben thẏnges three / The whıche thẏnges / troublen al thıs erthe / and that no wıght maẏ endure the ferthe

        You also said that there are three things, / these things disturb the whole world, / and that no one can endure the fourth.

2. To disrupt or inconvenience:
   1. To harass or challenge about a (legal) dispute.
   2. To prevent or stop from doing.
   3. To make or become worried or anxious (especially with remorse)
   4. (rare) To bother or annoy.
3. To challenge, afflict, or harm:
   1. To debilitate or weaken (physically or mentally)
   2. To impair or tarnish; to cause an imperfection.

• English: trouble
• Middle Scots: trubill
  • Scots: trouble, tribble

• “trǒublen, v.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.