Where does “अङ्गुष्ठिका” come from?

अङ्गुष्ठिका (Sanskrit) comes from Sanskrit अङ्गुष्ठ, from Proto-Indo-Aryan Hangúṣṭʰas, from Proto-Indo-Iranian Hangúštʰas, from Proto-Indo-European h₂eng- — curve, bend.

Ancestry of “अङ्गुष्ठिका”, step by step

StepLanguageWordMeaning
1Sanskritअङ्गुष्ठthumb; big toe, hallux
2Proto-Indo-AryanHangúṣṭʰas
3Proto-Indo-IranianHangúštʰasthumb; big toe; finger
4Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European h₂eng-Every word from Proto-Indo-Iranian HangúštʰasEvery word from Proto-Indo-Aryan Hangúṣṭʰas