Reconstruction:Proto-Indo-European/peḱ-

*peḱ- [1]

1. to pluck (wool, hair)

• *péḱ-ti
  • Hellenic:
    • Ancient Greek: πέκω (pékō, “to comb”)
• *peḱ-te-ti (perhaps by metathesis from *petḱ- < *pe-pḱ- or the same seen in *pléḱ-te-ti)
  • Germanic: *fehtaną (“to comb, detangle, struggle”)
  • Hellenic:
    • Ancient Greek: πεκτέω (pektéō, “to shear”)
  • Italic:
    • Latin: pectō (“to comb”)
• *peḱ-o-
  • Hellenic:
    • Ancient Greek: πέκος (pékos)
• *poḱ-o-
  • Germanic: *fahaz (“sheep”)
  • Hellenic:
    • Ancient Greek: πόκος (pókos)
• *poḱ-ti-
  • Germanic: *fahtiz (“fleece”)
    • Old English: feht
    • Old Frisian: fecht
    • Middle Dutch: vacht
      • Dutch: vacht
• *p(e)ḱ-tén-s
  • Hellenic:
    • Ancient Greek: κτείς (kteís)
  • Italic:
    • Latin: pecten
• *poḱ-s-om
  • Germanic: *fahsą
• *poḱ-s-mn̥
  • Indo-Iranian: *páćšma (see there for further descendants)
• Unsorted formations:
  • Balto-Slavic:
    • Lithuanian: pešù, pèšti (“to pluck, tear (of hair)”), iterative pašýti (“to brawl”)

*peḱ- [2]

1. livestock
2. wealth

• *peḱ-u-
• *péḱ-os ~ *péḱ-es-
  • Hellenic:
    • Ancient Greek: πέκος (pékos, “fleece, wool”)
  • Italic: *pekos
    • Latin: pecus (“cattle”)

*peḱ- [3]

1. joyful
2. pretty

• *peḱ- (root present)
  • Germanic: *fehaną (“to rejoice”)
    • Old English: gefēon (“to be glad”), fægen (“glad”, past participle)
      • English: fain
    • Old High German: gifehan (“to be glad”)
    • Old Norse: feginn (past participle)
      • Icelandic: feginn
      • Faroese: fegin
      • Norwegian: fegen
• *poḱ-éye- (causative)
  • Germanic: *fagjaną (“to please”)
    • Gothic: *𐍆𐌰𐌷𐌾𐌰𐌽 (*fahjan) (in 𐍆𐌿𐌻𐌻𐌰𐍆𐌰𐌷𐌾𐌰𐌽 (fullafahjan))
• Unsorted formations:
  • Balto-Slavic:
    • Lithuanian: púošiu (“adorn”)
  • Celtic:
    • Middle Irish: perhaps āil (“pleasant”)
  • Germanic:
    • Old Norse: fága (“adorn, polish”)
    • Gothic: 𐍆𐌰𐌷𐌴𐌸𐍃 (fahēþs, “joy”)