Proto-IE: *(s)kawǝ-/-e-
Meaning: to make holes, to peel
Old Indian: skauti, skunāti, skunoti `to tear, pluck, pick, poke', ā-skauti, ā-skunoti `to pull, pluck, tear', {ana-skavá- `ein Wurm', bi-ṣkāva- `zerfetzend'}, intens. coṣkūyate `to gather up, collect'
Latin: scutilus, -a `langezogen, dünn' (?); cautēs (/cōtēs), -is f. `spitziger Fels, Riff'
Russ. meaning: дырявить, лущить etc.
References: WP II 552 f