• (British) IPA: /ˈsplɪn.tə(ɹ)/
• (America) IPA: /ˈsplɪn.tɚ/, [ˈsplɪɾ̃ɚ]
• (Southern US) IPA: /ˈsplɪnɚ/

From Middle English splinter, from Middle Dutch splinter, equivalent to splint + -er.

splinter (plural splinters)

1. A long, sharp fragment of material, often wood.
   1. A small such fragment that gets embedded in the flesh.
2. A group that formed by splitting off from a larger membership.
3. (bridge) A double-jump bid which indicates shortage in the bid suit.
4. (linguistics) A fragment of a component word in a blend.

• (long sharp fragment) shard, spelk, spill.
• (group formed by splitting) faction, splinter group.

• French: éclat, esquille, écharde
• German: Splitter, Splinter, Schiefer, Spreißel
• Italian: scheggia
• Portuguese: farpa
• Russian: ще́пка
• Spanish: wood astilla, bone or metal esquirla

• French: faction
• German: Splittergruppe
• Italian: fazione
• Portuguese: facção
• Russian: отщепенец

From the noun splinter.

splinter (splinters, present participle splintering; simple past and past participle splintered)

1. (intransitive) To come apart into long sharp fragments.

   The tall tree splintered during the storm.

2. (transitive) To cause to break apart into long sharp fragments.

   His third kick splintered the door.

   • 1855–1858, William H[ickling] Prescott, History of the Reign of Philip the Second, King of Spain, volume (please specify |volume=I to III), Boston, Mass.: Phillips, Sampson, and Company, →OCLC ↗:

     After splintering their lances, they wheeled about, and […] abandoned the field to the enemy.

3. (figuratively, of a group) To break, or cause to break, into factions.

   The government splintered when the coalition members could not agree.

   The unpopular new policies splintered the company.

4. (transitive) To fasten or confine with splinters, or splints, as a broken limb.
   • 1659, Matthew Wren, Monarchy Asserted Or The State of Monarchicall & Popular Government:

     it will be very hard for Me to Splinter up the broken confuséd Pieces of it.

• splint
• splinter up

• German: zersplittern
• Italian: scheggiarsi
• Portuguese: esfarpar
• Russian: расщепляться
• Spanish: astillar

• German: zersplittern
• Italian: scheggiare
• Portuguese: esfarpar
• Russian: расщеплять
• Spanish: astillar

• Italian: fare a pezzi, dividere

Borrowed from Dutch - and North German Splinter.

1. Surname.