Allofams:
1.0 The Body > 1.5 Limbs, Joints, and Body Measures > 1.5.1 Hand, Arm, Wing

#737 PTB *s/k-la ARM / HAND / WING
Reconstructed mesoroots below:

Note the “brightening” of the vowel from *‑a to ‑i in Tangut.

rnanalysislgidreflexglossgfnlanguagegrpidgrpnogrpgeneticcitationsrcabbrsrcidrn
5013407371920khlaaWING*Chin81.2Kuki-Chin1VanBik 09 PKCKVB-PKC13090
5416m,737131b-sglawing*Kuki81.2Kuki-Chin1Weidert 87 TBToAW-TBT4810
3426807371802lhawing (of bird)Kuki-Chin681.2.1.1Northern Chin1Haokip 98Qbp-KC6.1.90
4479407371930khawing, soulPaite681.2.1.1Northern Chin1VanBik 09 PKCKVB-PKC13090
447941p,7371927a htāwingSizang681.2.1.1Northern Chin1VanBik 09 PKCKVB-PKC13090
4479397371926hlàawingThado681.2.1.1Northern Chin1VanBik 09 PKCKVB-PKC13090
4479387371925khaː³wingTiddim681.2.1.1Northern Chin1VanBik 09 PKCKVB-PKC13090
3141627371778khaː³wingTiddim681.2.1.1Northern Chin1Bhaskararao 96 CDBPB-CLDB7350
54147371589xâwingTiddim681.2.1.1Northern Chin1Weidert 87 TBToAW-TBT4810
4479357371947thlǎawing, quill, spiritLai (Hakha)701.2.2Central Chin1VanBik 09 PKCKVB-PKC13090
4479367371923thlàawingLai (Falam)701.2.2Central Chin1VanBik 09 PKCKVB-PKC13090
172821737976thlawingLushai [Mizo]701.2.2Central Chin1Marrison 67 NagaGEM-CNL0
4479377371924thlàwing (of bird), a pinion, a quillnLushai [Mizo]701.2.2Central Chin1VanBik 09 PKCKVB-PKC13090
3141637371779thlawingLushai [Mizo]701.2.2Central Chin1Bhaskararao 96 CDBPB-CLDB7350
5412737975tlhàwingLushai [Mizo]701.2.2Central Chin1Weidert 87 TBToAW-TBT4810
516215m,737871mā-thlāwwing; finLakher [Mara]711.2.3Maraic1Matisoff 87 BPJAM-Ety0
447934m,7371921mā-thlāwwingLakher [Mara]711.2.3Maraic1VanBik 09 PKCKVB-PKC13090
1316251603,m,737805wə mə◦tʰləwing (of bird)Kom Rem721.2.4“Old Kuki”0Toba 91 KRQT-KomRQ6.1.90
5415m,737883pʌ◦lhàwingLamkang721.2.4“Old Kuki”0Weidert 87 TBToAW-TBT4810
4690927371970dzjwɨwingTangut [Xixia]333.1Tangut1Li 97 TangutLFW199712420
1322557371493lhi²wingTangut [Xixia]333.1Tangut1Sofronov 97MVS-Grin0
1322567371493ndzwɪ²wingTangut [Xixia]333.1Tangut1Sofronov 97MVS-Grin 1

^ 1.
The immediate precursor of this form seems to have been something like *m‑tswa. This seems to be a legitimate doublet of lhi², from *s‑la. These two words are written with distinct characters (Matisoff 1985:436).