kynnenmustuainen

kynnen (“of a nail”) +‎ mustuainen (“black spot”)

• IPA^(key): /ˈkynːenˌmustuɑi̯nen/,
• Rhymes: -ɑinen
• Hyphenation^(key): kynnen‧mustu‧ai‧nen

kynnenmustuainen

1. A black rim of dirt under a person's fingernail.
2. (rare) Often with verran; pinch, iota (small amount of anything)

   Hän kaatoi kynnenmustuaisen verran basilikaa pojan kämmenelle, jotta hän saisi maistaa.

   She poured a pinch of basil on the palm of the boy to let him have a taste.

In addition to Finnish the "black of the nail" signifies "small amount" at least in Spanish: negro de la uña.

• (small amount): hippunen, hitunen, ripaus

• “kynnenmustuainen”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02